'd
contraction of had:
Jump To:
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'd
-
D
Dnounthe fourth letter of the English alphabet, a consonant.
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D-
D-(of a molecule) having a configuration resembling the dextrorotatory isomer of glyceraldehyde: always printed as a small capital, roman character.
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d'
d'prepositionde (used in French names as an elided form ofde ).
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d-
d-dextrorotatory; dextro- (distinguished from l-).
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d.
d.abbreviation(in prescriptions) give.
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D.
D.abbreviationday.
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d
dnounthe fourth letter and third consonant of the modern English alphabet
'd
1 American-
contraction of had:
I was glad they'd gone.
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contraction of did:
Where'd they go?
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contraction of should or would:
He'd like to go. I'd like to remind you of your promise.
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contraction of -ed:
She OK'd the plan.
D
2
American
[dee]
/ di /
Or
d
noun
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D's,
plural
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Ds,
plural
-
d's,
plural
-
ds
plural
-
the fourth letter of the English alphabet, a consonant.
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any spoken sound represented by the letter D or d, as in dog, ladder, ladle, or pulled.
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something having the shape of a D .
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a written or printed representation of the letter D or d.
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a device, as a printer's type, for reproducing the letter D or d.
D
3
American
D
4
American
Symbol.
-
the fourth in order or in a series.
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(sometimes lowercase) (in some grading systems) a grade or mark, as in school or college, indicating the quality of a student's work as poor or barely passing.
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(sometimes lowercase) a classification, rating, or the like, indicating poor quality.
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Music.
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the second tone in the scale of C major, or the fourth tone in the relative minor scale, A minor.
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a string, key, or pipe tuned to this tone.
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a written or printed note representing this tone.
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(in the fixed system of solmization) the second tone of the scale of C major, called re.
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the tonality having D as the tonic note.
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-
(sometimes lowercase) the Roman numeral for 500.
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Chemistry. deuterium. Also 2H
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Electricity.
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electric displacement.
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a battery size for 1.5 volt dry cells: diameter, 1.3 inches (3.3 centimeters); length, 2.4 inches (6 centimeters).
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-
Biochemistry. aspartic acid.
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a symbol for a shoe width size narrower than E and wider than C.
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a proportional brassiere cup size larger than C.
D-
5
American
d'
6
American
preposition
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de (used in French names as an elided form ofde ).
Charles Louis d'Albert.
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di (used in Italian names as an elided form ofdi ).
Gabriele d'Annunzio.
d'
7
American
d-
8
American
Symbol, Chemistry, Biochemistry.
d.
9
American
abbreviation
d.
10
American
abbreviation
d.
11
American
abbreviation
-
date.
-
daughter.
-
day.
-
deceased.
-
deep.
-
degree.
-
delete.
-
Physics. density.
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depth.
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deputy.
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dialect.
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dialectal.
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diameter.
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died.
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dime.
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dividend.
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dollar; dollars.
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dose.
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drachma.
D.
12
American
abbreviation
-
day.
-
December.
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Democrat.
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Democratic.
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Physics. density.
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Deus.
-
Deuteronomy.
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Doctor.
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dose.
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Dutch.
'd
1
British
contraction
D
2
British
symbol
-
music
-
a note having a frequency of 293.66 hertz ( D above middle C ) or this value multiplied or divided by any power of 2; the second note of the scale of C major
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a key, string, or pipe producing this note
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the major or minor key having this note as its tonic
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-
chem deuterium
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maths the first derivative of a function, as in D( x ³ + x ²) = 3 x ² + 2 x
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physics
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dispersion
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electric displacement
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-
aeronautics drag
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-
a semiskilled or unskilled manual worker, or a trainee or apprentice to a skilled worker
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( as modifier ) See also occupation groupings
D worker
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-
500 See Roman numerals
abbreviation
-
Germany (international car registration)
-
-
informal defence
I'm playing D in the match this afternoon
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informal defensive play
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d
3
British
/ diː /
noun
-
the fourth letter and third consonant of the modern English alphabet
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a speech sound represented by this letter, usually a voiced alveolar stop, as in dagger
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the semicircle on a billiards table having a radius of 11 1/ 2 inches and its straight edge in the middle of the baulk line
d
4
British
symbol
-
physics density or relative density
-
maths a small increment in a given variable or function: used to indicate a derivative of one variable with respect to another, as in d y /d x
-
chess See algebraic notation
D.
5
British
abbreviation
-
politics Democrat(ic)
-
government Department
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dinar(s)
-
Don (a Spanish title)
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Duchess
-
Duke
-
(in the US and Canada) Doctor
D
6
British
abbreviation
d.
7
British
abbreviation
-
(in animal pedigrees) dam
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daughter
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currency penny or pennies
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diameter
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died
-
dinar(s)
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dollar(s)
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drachma(s)
d
Scientific
Other Word Forms
Noun Inflected Forms
Etymology
Origin of d.9
From the Latin word dā
Origin of d.10
From the Latin word denāriī
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
“If they had said, ‘We’re going to do this for another 20 years,’ I ‘d have been on board in a heartbeat.”
From Los Angeles Times ● May 27, 2026
But still, one by one, we ’d all burned out.
From Salon ● May 7, 2024
We ’d be fixing the economy, ad- dressing national security issues, and improving education.
From MSNBC ● Sep. 9, 2014
“Well, you ‘d have to know my mom.
From Scientific American ● Jun. 9, 2012
The gravitational tug is so strong that you ’d be torn apart in a fraction of a second.
From "Zero: The Biography of a Dangerous Idea" by Charles Seife
The prosecution and defence have delivered their opening arguments as Duane "Keffe D" Davis, 63, faces one count of murder with a deadly weapon.
From BBC ● Aug. 18, 2026
If you fancy a long walk, you can take the train to C and stroll over to D, but if you have a tight connection—or if you land at Dulles on almost any international flight—congratulations!
From Slate ● Aug. 18, 2026
“What facts do they have to put Keffe D in a car in 1996? When you look at the video in 1996, do you see Keffe D?’ he added, referencing the lobby beating.
From Los Angeles Times ● Aug. 17, 2026
“What facts do you have to support any of what Keffe D said in any of his interviews or in the book?,”
From The Wall Street Journal ● Aug. 17, 2026
The B stood for "baba," the A stood for "amoo," and the D stood for "dayee."
From "Americanized" by Sara Saedi
In their most recent assessment, for example, transit scored a D- and hazardous waste a D+.
From National Geographic ● Jul. 17, 2023
Louisiana’s drinking water infrastructure limps in with a D-.
From Washington Post ● Jun. 16, 2021
Ms. E.K. announced that she would be holding before-school tutoring sessions, which Sarah, who finished the fall semester with a D-, never would have attended during remote learning.
From New York Times ● May 13, 2021
Last year, the American Society of Civil Engineers’ annual Infrastructure Report Card gave the U.S. a D+, including a D+ for the power grid, a D for airports and a D- for transit.
From Washington Times ● Nov. 12, 2018
Captain D- rode, and had the best of it.
From Letters from the Cape by Lady Lucie Duff Gordon
In the A.I. age, Maggie Hennessy asserts, sparring with a grouchy maître d’ over the phone is part of what makes dining out great.
From Slate ● Jul. 24, 2026
He got into it with the maître d’: “You don’t trust that my date is not going to take pictures?”
From Los Angeles Times ● Aug. 11, 2025
“A lot of times, you won’t even see the dog” until you seat the owners, said Ally Gallegos, a former maître d’ at an upscale neighborhood restaurant in the West Village.
From New York Times ● May 16, 2024
In the French Quarter, the yearly parade by the Krewe de Jeanne d’ Arc marking the birthday of the French hero marches on a route that carries them past a golden statue of their namesake.
From Seattle Times ● Jan. 5, 2024
The maitre d’ was a small, elegant man who looked up toward a massive, red-faced man who stood six feet four inches tall and weighed over two hundred and twenty pounds.
From "The Great Santini" by Pat Conroy
Ke5, Muzychuk can’t hold back both the d- and g-pawns indefinitely and resigned.
From Washington Times ● Dec. 27, 2022
Both the d- and f-block elements react with nonmetals to form binary compounds; heating is often required.
From Textbooks ● Feb. 14, 2019
They're called d- and l-isomers—d for dextro, l for levo; right and left, you see.
From A Feast of Demons by Joseph Samachson
New Designs University Park, 16-25, 25-22, 25-21, 22-25, 15-13 Jordan d. 25-23, 25-19, 25-10 Westchester d.
From Los Angeles Times ● Oct. 31, 2024
But just as bell hooks, the feminist writer, and k. d. lang, the singer-songwriter, often see their names appear with unwanted capital letters, lowercase compositions are often capitalized on their way to publication.
From New York Times ● Mar. 17, 2017
From part d. we see that receiving $1 million dollars per year indefinitely is worth $20 million dollars in today’s dollars.
From Textbooks ● Mar. 30, 2016
Use your answers to parts a. and d. to determine which of the three options is best.
From Textbooks ● Mar. 30, 2016
The Solanum was first given in 10 drop doses t. i. d. without effect.
From New, Old, and Forgotten Remedies: Papers by Many Writers by Edward Pollock Anshutz
Solicitor General D. John Sauer told the court the project is already 65% complete and argued that stopping construction would interfere with security improvements at the White House.
From Salon ● Aug. 15, 2026
One of the suspects charged in Poland, a Ukrainian called Vladyslav D., described in detail to investigators how he made multiple long car trips in July 2024 following instructions from someone he knew as "Warrior".
From BBC ● Aug. 7, 2026
It was on Aug. 14, 1935, that President Franklin D. Roosevelt signed the Social Security Act into law.
From MarketWatch ● Aug. 6, 2026
“Empire of Ashes” opens with the sudden death of President Franklin D. Roosevelt and Harry Truman’s awkward ascent to the presidency.
From The Wall Street Journal ● Jul. 31, 2026
Before lunch he’d swim laps in the White House pool, originally installed so Franklin D. Roosevelt could exercise muscles damaged by polio.
From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin
KKR’s fee-related earnings jumped 37% from a year ago, and the firm raise d more than $34 billion.
From The Wall Street Journal ● Jul. 30, 2026
Beta Pictoris d avoided detection for years because it is embedded within one of the brightest debris disks astronomers have ever observed.
From Science Daily ● Jul. 23, 2026
Researchers estimate that Beta Pictoris d has at least twice the mass of Jupiter.
From Science Daily ● Jul. 23, 2026
Newport Harbor, 25-16, 25-17, 25-22 Redondo Union d.
From Los Angeles Times ● May 5, 2026
They d hollow a hole in a log and put the corn in there, then pound and grind it with a heavy stick.
From "Lost Boy, Lost Girl" by John Bul Dau
Down the street at D’s Thirsty Beaver bar, Danielle Rees is doing a test run on serving breakfast.
From The Wall Street Journal ● Aug. 16, 2026
Mickey D’s not only gave the directors the rights to tell the story, but also provided game footage while steering clear of editorial meddling.
From Los Angeles Times ● Mar. 17, 2026
The study, published in the December issue of The American Journal of Clinical Nutrition, adds clarity to long-standing debates about vitamin D's links to colorectal cancer and other diseases.
From Science Daily ● Dec. 30, 2025
I am a deep believer in this idea that national security is built off the three D’s: defense, diplomacy, and development.
From Slate ● Feb. 5, 2025
Instead of answering, I power my chair toward Mr. D’s door.
From "Out of My Mind" by Sharon M. Draper
Only eight banks got Bs, while the majority got Cs; 36 got Ds.
From MarketWatch ● Feb. 27, 2026
The words are thought to reference the "three Ds of insurance" - tactics used by companies to reject payment claims from customers.
From BBC ● Feb. 6, 2026
The same four Ds applied: death, divorce, dislocation, and disaster/downsizing.
From Slate ● Aug. 5, 2024
Her grades fell to Ds, and she thought, “College just may not be for me.”
From Los Angeles Times ● Oct. 10, 2023
He had been getting Cs and Ds, and college never felt like home, anyway.
From "Class Matters" by The New York Times
The researchers intend to continue examining Webb's observations to refine their estimates of Beta Pictoris d's temperature, atmospheric composition, and orbit.
From Science Daily ● Jul. 23, 2026
A small illustration of the eponymous rat hangs in the restaurant, signed by director Brad Bird, who spent days sketching the dining room, capturing the lamps, cheese trolley and maitre d's outfit.
From BBC ● Jan. 29, 2024
Occasionally a twinkling golden figure zigzagged the room — it was one of the restaurant’s maître d’s, wearing a fully sequined gown that Bella Hadid modeled during Ralph Lauren’s fall 2019 runway show.
From New York Times ● Oct. 23, 2021
Dinner maitre d’s are gently professional, warm and welcoming.
From Washington Times ● Jul. 17, 2018
He pronounced the words lazily, blunting the t’s to d’s so that it sounded like “siddle lister.”
From "Educated" by Tara Westover
The Cyclones closed the third quarter with a pair of 3-pointers, the second by Ryan in the closing secon ds, that put ISU on top 49-47.
From Seattle Times ● Jan. 18, 2023
Senior forward Oscar ds Silva has played well all season and was named the Pac-12 player of the week after averaging 19.8 points and 11 rebounds in three games last week.
From Washington Times ● Jan. 13, 2021
The number of ds that were added to a1 is one less than the number of the term.
From Textbooks ● May 6, 2020
As a result, we would incorrectly conclude that ds = 0.
From Textbooks ● Mar. 30, 2016
Bo, Bristles surrounding the mouth. ds, Dorsal bristles. hCi, Posterior lateral cilia.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
