- a variation of -ie.
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y
yan unknown quantity.
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Y
Ynounthe 25th letter of the English alphabet, a semivowel.
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y-
y-a prefix occurring in certain obsolete words (ywis ) and especially in archaic past participles.
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-y
-ya native English suffix of adjectives meaning “characterized by or inclined to” the substance or action of the word or stem to which the suffix is attached: juicy; grouchy; rumbly; dreamy. Sometimes used to mean “allowing, fostering, or bringing about” the specified action: sippy.
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y.
y.abbreviationyard; yards.
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Y.
Y.abbreviationYMCA or YWCA
y
1 American-
an unknown quantity.
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(in Cartesian coordinates) the y-axis.
noun
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Y's,
plural
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Ys,
plural
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y's,
plural
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ys
plural
-
the 25th letter of the English alphabet, a semivowel.
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any spoken sound represented by the letter Y or y, as in yet, city, or rhythm.
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something having the shape of a Y .
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a written or printed representation of the letter Y or y.
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a device, as a printer's type, for reproducing the letter Y or y.
abbreviation
abbreviation
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the 25th in order or in a series.
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(sometimes lowercase) the medieval Roman numeral for 150.
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Electricity. admittance. Sometimes y
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Chemistry. yttrium.
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Biochemistry. tyrosine.
abbreviation
-
yard; yards.
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year; years.
symbol
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any unknown, unspecified, or variable factor, number, person, or thing
-
chem yttrium
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currency
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yen
-
yuan
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noun
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the 25th letter of the modern English alphabet
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a speech sound represented by this letter, in English usually a semivowel, as in yawn, or a vowel, as in symbol or shy
-
-
something shaped like a Y
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( in combination )
a Y-cross
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suffix
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(from nouns) characterized by; consisting of; filled with; relating to; resembling
sunny
sandy
smoky
classy
-
(from verbs) tending to; acting or existing as specified
leaky
shiny
suffix
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denoting smallness and expressing affection and familiarity
a doggy
a granny
Jamie
-
a person or thing concerned with or characterized by being
a groupie
a fatty
suffix
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(from verbs) indicating the act of doing what is indicated by the verbal element
inquiry
-
(esp with combining forms of Greek, Latin, or French origin) indicating state, condition, or quality
geography
jealousy
symbol
-
the y- axis or a coordinate measured along the y- axis in a Cartesian coordinate system
-
an algebraic variable
abbreviation
abbreviation
Other Word Forms
Noun Inflected Forms
Etymology
Origin of y-6
Middle English y-, i- (reduced variant a- ), Old English ge-, prefix with perfective, intensifying, or collective force; cognate with Old Frisian, Old Saxon ge-, gi-, Gothic ga-, German ge-; compare perhaps Latin com- com-
Origin of -y7
Old English -ig; cognate with German -ig; compare perhaps Latin -icus, Greek -ikos
Origin of -y8
From late Middle English (Scots), originally in names; of uncertain origin; baby and puppy, now felt as having this suffix, may be of different derivation
Origin of -y9
Representing Latin -ia, -ium; Greek -ia, -eia, -ion; French -ie; German -ie
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:
A clash between two Caribbean titans — Romeo Santos and Don Omar — ‘Ella y Yo’ was a betrayal song for the ages.
From Los Angeles Times ● Sep. 1, 2026
The food alone made the day’s mileage seem like a bargain: octopus in Galicia, Arzúa-Ulloa cheese from a farmers market or milk-fed lamb that made me forgive every hill in Castilla y León.
From The Wall Street Journal ● Aug. 25, 2026
Spanish police said they had arrested a man for setting off a fire in Castilla y Leon region by using farm machinery in breach of a ban in the tinderbox conditions.
From Barron's ● Jul. 25, 2026
Paris St-Germain's Ruiz, who started the final against Argentina, and Barcelona's Gavi wore their gold medals as they were greeted by Los Palacios y Villafranca officials and a large crowd.
From BBC ● Jul. 23, 2026
“Anthony Márez,” I replied, “Antonio Juan Márez y Luna,” I added in respect to my mother.
From "Bless Me, Ultima" by Rudolfo Anaya
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Tesla's recall involves 2.9 million domestically-made units of its Model 3 and Model Y electric cars and begins on September 25.
From Barron's ● Aug. 24, 2026
Tesla just made the best thing about the Model Y optional.
From The Wall Street Journal ● Aug. 22, 2026
Since Tesla unveiled its first ride-hailing operation last year, the company has relied on Model Y electric vehicles to carry out trips.
From MarketWatch ● Aug. 21, 2026
Researchers have often assumed that differences between male and female immune systems are largely driven by the X and Y sex chromosomes.
From Science Daily ● Aug. 20, 2026
Dreading the thought of spending another night in some cheap hotel if I could not get a room at the Y, I considered hiding in the church and sleeping there in one of the pews.
From "Black Like Me" by John Howard Griffin
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The y- axis represents the number of gallons of gas in the truck’s gas tank.
From Textbooks ● Apr. 22, 2020
Since the x- and y- intercepts are the same point, we need two more points to graph the line.
From Textbooks ● Apr. 22, 2020
Choose any three values for x and then solve for the corresponding y- values.
From Textbooks ● Apr. 22, 2020
Use the equation of the line to find the y- intercept of the line, let x = 0 and solve for y.
From Textbooks ● Apr. 22, 2020
The prefix y-, representing the extremely common A.S.
From English Dialects From the Eighth Century to the Present Day by Walter W. (Walter William) Skeat
It’s another day ending in -y so Fortnite is having a new crossover event.
From The Verge ● Aug. 12, 2021
There has been a bit of inconsistency with the spelling of Zoey’s name, but it is with a -y.
From The Guardian ● Jan. 3, 2020
Well-established steps test for symmetry about an axis: replace x or y with -x or -y and then simplify the equation.
From The New Yorker ● Oct. 10, 2018
As for her name, did the author mean to suggest a diminutive or nickname—in English nomenclature, the -y ending is typical of both—or perhaps chokkie, nursery slang for a chocolate treat?
From Slate ● Sep. 8, 2015
Pet′iolar, -y, pertaining to, or growing upon, a petiole; Pet′iolāte, -d, Pet′ioled, growing on a petiole.—n.
From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various
Find x and y. x = Dx, y = Dy.
From Textbooks ● May 6, 2020
Commander Joseph Jerome Sher in the Naval Medical Bulletin sidesteps the whole open *y. closed debate, recommends using the X-ray technique for 30 days in each cyst case before resorting to surgery.
From Time Magazine Archive
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This identification has been corroborated by Dr. Philip H. Krutzsch, University of Pittsburgh, Pennsylvania, and extends the known range of the subspecies M. y. yumanensis approximately 300 miles northeastward in Utah.
From Additional Records and Extensions of Known Ranges of Mammals from Utah by Stephen D. Durrant
All y are x, and all x' are y. i.e.
From The Game of Logic by Lewis Carroll
The principal abbreviations used in these pages are: b. standing for born. m. standing for married. d. standing for died. y. standing for young.
From The Stephens Family A Genealogy of the Descendants of Joshua Stevens by Alonzo Smith Bower
I’m very satisfied with the Tesla Model 3 and Model Y. One-pedal driving, superb handling, confident acceleration and excellent stopping power if needed spoil you.
From The Wall Street Journal ● Aug. 12, 2026
Kevin Y. Fu wrote in his sentencing memo.
From Los Angeles Times ● Jul. 16, 2026
Or, when the bot feels sassy: “Not X. Not Y. But Z.”
From Slate ● Mar. 20, 2026
About the author: Mark Y. Rosenberg is a visiting scholar in UC Berkeley Department of Political Science and the founder of GeoQuant.
From Barron's ● Jan. 22, 2026
—A. Y. “I’m going to leave that up for the rest of the semester,” he said.
From "Looking for Alaska" by John Green
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As for millennials, if you’re looking to draw that line for the current crop of thirty-to-fortysomethings, the point that separates Gen Y’s art and all that came before, look no further than Lena Dunham.
From Salon ● Aug. 30, 2026
The Model Y’s human-machine interface doesn’t include a typical gear selector.
From The Wall Street Journal ● Aug. 22, 2026
The R2 exploits the Model Y’s greatest weakness.
From The Wall Street Journal ● Jun. 27, 2026
He lauded the Model Y’s best-selling status at the meeting and promoted the Cybertruck, his electric pickup, despite actions by regulators earlier this week to recall nearly all Cybertrucks on the road.
From Los Angeles Times ● Mar. 21, 2025
Thanks to his long acquaintanceship with the locker room attendant, he and Maniac were privileged to continue using the Y’s shower facilities at their pleasure.
From "Maniac Magee" by Jerry Spinelli
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Still, Tesla could be raising prices because it sees strong demand for higher-end Model Ys.
From Barron's ● May 17, 2026
Nvidia became the first $4 trillion company by selling the silicon equivalent of fast, powerful and expensive Ferrari sports cars, but now the world wants Priuses and Model Ys.
From The Wall Street Journal ● Mar. 16, 2026
That is less than half the 29,291 Model Ys sold over the same period.
From Reuters ● Nov. 15, 2023
EVs are scarce here in Milan’s inner city, with a smattering of Tesla Model 3s and Ys and shoebox-sized Smart and Citroën Ami EVs.
From Seattle Times ● May 28, 2023
And all along the rooftop of the structure stood twelve-foot-tall steel posts, a picket line of uppercase Ys, each of them strung with razor wire.
From "100 Sideways Miles" by Andrew Smith
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We have the y’s on the right and the constants on the left.
From Textbooks ● Apr. 22, 2020
I should have typed ‘Hey’ with two y’s, not just one!’
From The Guardian ● Jan. 10, 2016
“I should have typed ‘Hey’ with two y’s, not just one!”
From New York Times ● Jul. 6, 2015
I could add and subtract and multiply and divide, but I entered the wilderness when words became equations and x’s and y’s.
From The New Yorker ● Jan. 26, 2015
She spoke with an Ayorthaian accent, smacking her lips after the letter m and pronouncing her l’s as y’s.
From "Ella Enchanted" by Gail Carson Levine
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The original is as follows: “By commyxstion and mellyng furst wiþ danes and afterward wiþ Normans in menye þe contray longage ys apeyred, and som vseþ strange wlaffyng, chyteryng, harrying and garryng, grisbittyng.”
From The Guardian ● Aug. 15, 2019
“He sa ys he kno ws,” Helen told Theresa.
From "Typical American" by Gish Jen
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And than experience to me came, And seyde, kateryne, I the ensuer, Thys lady ys but seldom fro home.
From Medieval English Nunneries c. 1275 to 1535 by Eileen Power
What tounge can speake ye Vertues of ys Creature?
From The Portsmouth Road and Its Tributaries To-Day and in Days of Old by Charles G. (Charles George) Harper
And so hyt ys an holy thyng To bene in habyte reguler; Than, as by owtewarde array in semyng, Beth so wythin, my ladyes dere.
From Medieval English Nunneries c. 1275 to 1535 by Eileen Power
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.