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  • od
    od
    noun
    a hypothetical force formerly held to pervade all nature and to manifest itself in magnetism, mesmerism, chemical action, etc.
  • Od
    Od
    interjection
    a shortened form of “God” (used in euphemistically altered oaths).
  • OD
    OD
    noun
    an overdose of a drug, especially a fatal one.
  • o.d.
    o.d.
    abbreviation
    (in prescriptions) the right eye.
  • O.D.
    O.D.
    abbreviation
    (in prescriptions) the right eye.
Synonyms

od

1 American  
[od, ohd] / ɒd, oʊd /
Also odyle

noun

  1. a hypothetical force formerly held to pervade all nature and to manifest itself in magnetism, mesmerism, chemical action, etc.


od 2 American  

abbreviation

  1. on demand.

  2. outside diameter.

  3. outside dimensions.

  4. overdraft.

  5. overdrawn.


Od 3 American  
[od] / ɒd /
Or 'Od,

interjection

Archaic.
  1. a shortened form of “God” (used in euphemistically altered oaths).


OD 4 American  
[oh-dee] / ˈoʊˈdi /

noun

  • ODs,
    plural
  • OD's
    plural
  1. an overdose of a drug, especially a fatal one.

  2. a person who has taken an overdose of a drug, especially one who has become seriously ill or has died from such an overdose.


verb (used without object)

  • OD's,
    present (3rd person singular)
  • OD'd,
    past participle,  past
  • OD'ed,
    past participle,  past
  • ODed,
    past participle,  past
  • OD'ing,
    present participle
  • ODing
    present participle
  1. to take an overdose of a drug.

  2. to die from an an overdose of a drug.

  3. to have or experience an excessive amount or degree of something.

OD 5 American  

abbreviation

  1. officer of the day.

  2. Old Dutch. Also OD., O.D.

  3. Ordnance Department.

  4. outside diameter.


o.d. 6 American  

abbreviation

  1. (in prescriptions) the right eye.


o.d. 7 American  

abbreviation

  1. olive drab.

  2. on demand.

  3. outside diameter.


O.D. 8 American  

abbreviation

  1. (in prescriptions) the right eye.


O.D. 9 American  

abbreviation

  1. Doctor of Optometry.

  2. officer of the day.

  3. Old Dutch.

  4. (of a military uniform) olive drab.

  5. ordinary seaman.

  6. outside diameter.

  7. overdraft.

  8. overdrawn.


OD 1 British  

abbreviation

  1. Officer of the Day

  2. Old Dutch

  3. ordnance datum

  4. outside diameter

  5. Also: o.d.military olive drab

  6. Also: O/Dbanking

    1. on demand

    2. overdraft

    3. overdrawn

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

OD 2 British  
/ ˌəʊˈdiː /

noun

  1. an overdose of a drug

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (intr) to take an overdose of a drug

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Od 3 British  
/ ɒd /

noun

  1. euphemistic (used in mild oaths) an archaic word for God

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

od 4 British  
/ ˈɒdɪl, ɒd, əʊd /

noun

  1. archaic a hypothetical force formerly thought to be responsible for many natural phenomena, such as magnetism, light, and hypnotism

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What else does OD mean? OD is short for overdose, or taking so much of a drug that it harms or kills you. How is OD pronounced?[ oh-dee ]What are other forms of OD?O. D.

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of od1

First recorded in 1840–50; arbitrary name coined by Karl von Reichenbach (1788–1869), German scientist

Origin of Od3

First recorded in 1590–1600

Origin of OD4

First recorded in 1955–60

Origin of o.d.6

From Latin oculus dexter

Origin of O.D.8

From Latin oculus dexter

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:

Rising Covid case numbers have led to large numbers od people self-isolating and being unable to go to work, which has acutely affected industries where staff are unable to work from home.

From BBC Jan. 4, 2022

"I spent time in Ferguson immediately when the incident began," following the killing od Michael Brown in the Missouri city back in August, he said.

From Fox News Aug. 25, 2020

The exaltation of the relationship between G od and nature is further stressed by the stunning painting on the opposite page.

From Los Angeles Times Jul. 23, 2019

Ouy anc od hist ecabuse fo het sursingpri mautoaticity fo het brian!

From Scientific American Dec. 19, 2018

Na, na, od wite it! no story, ouer true for that, I sid it a wi my aan eyen.

From Madam Crowl's Ghost and the Dead Sexton by Joseph Sheridan Le Fanu

HRW also cited the case of Od Sayavong, a Lao activist living in Bangkok, who has been missing since August 2019.

From BBC May 3, 2023

At top: two of the seven complete eggs preserved in the Od accumulation; at bottom, one chunk of the accumulation, showing how densely packed the eggshell fragments are.

From Scientific American May 15, 2012

As we say in the paper, “The quantity of eggshell fragments in the Od accumulation is astonishing and beyond normal palaeontological experience”.

From Scientific American May 15, 2012

Israeli law enforcement officials say that in investigating settler violence in the north, they often turn to people connected to the Od Yosef Chai yeshiva in the Yitzhar settlement.

From New York Times Jul. 6, 2010

Odic Lights: Od, the name given by Reichenbach to an influence he believed he had discovered; it was held to explain the phenomena of mesmerism, and to account for the luminous appearances at spirit-rapping circles.

From The Browning Cyclop?dia A Guide to the Study of the Works of Robert Browning by Edward Berdoe

Additionally, Mr Carson helped create a campaign called "No OD NY", which was aimed at raising awareness of overdose prevention centres.

From BBC Oct. 4, 2023

Guest: Nancy D. Campbell, department head at Rensselaer’s department of science and technology studies, author of OD: Naloxone and the Politics of Overdose.

From Slate Apr. 12, 2023

He tells them that Lucy’s death might not have been an OD, and suggests there is a wider conspiracy afoot.

From The Guardian Feb. 10, 2019

“Our old friend OD apparently has been granted another official visa,” says one.

From Washington Post Sep. 25, 2018

From whom I took these weapons, back again—— OD.

From The Seven Plays in English Verse by Sophocles

Oxfordshire, on river Cherwell, drainage N. to S. Altitudes: river level, 300 o.d.; the Cross, 331; high town, 424.

From Edge Hill The Battle and Battlefield by Edwin Walford

In March o.d. will be either enormously distended with eggs, or large, flabby, and empty, and ov. will be small and brownish, without any large eggs; the ovary gradually recovers its size through the summer.

From Text Book of Biology, Part 1: Vertebrata by H. G. (Herbert George) Wells

But no campers were lost, and the army colonel in charge of the cleanup committee was optimistic: “All these camps will be rebuilt, but the owners will correct the errors they have made,” O.D.

From Slate Jul. 8, 2025

He replaced it during an event, breaking the rules, but lied about it to Duke’s coach, O.D.

From Washington Post Oct. 23, 2020

Husband and wife team O.D. and Ruth McKee sold five cent cakes out of the family car, a 1928 Whippet.

From Forbes Jul. 11, 2014

“I was never happy with a B or a C.  I wanted an A because I knew that O.D. had that in him.”

From New York Times Feb. 21, 2012

Lily's O.D. service coat was brightened with a red tissue paper sash.

From Lady Luck by Hugh Wiley

However, the article brings up the excellent point — people in churches and employees in restaurants, fast food, libraries, etc. aren’t trained to deal with OD’s or mental illness.

From New York Times Mar. 12, 2016

I had some food sent up, and slept a few hours on the OD’s bunk.

From Greylorn by Keith Laumer

Yeah, Carroll always acts like he OD’d on Mountain Dew.

From Seattle Times Jul. 30, 2016

And then to wake up the next morning and think: I am biologically incapable of sweating because I ODed on adrenaline in the Falklands.

From The Guardian Nov. 22, 2019

Aged 18, after ODing on brie, he moved to Berlin, where he stayed for a year and abstained from dairy products completely.

From The Guardian Jul. 11, 2011

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