od

interjection, often capitalized

\ ˈäd

How to pronounce od (audio)

\

variants: or odd

Definition of od

(Entry 1 of 4)

archaic

—used as a mild oath

OD

\ ˌō-ˈdē

How to pronounce OD (audio)

\

Definition of OD (Entry 2 of 4)

1 : an overdose of a narcotic

2 : one who has taken an OD

OD

OD'd or ODed; OD'ing; OD's

Definition of OD (Entry 3 of 4)

intransitive verb

1 : to become ill or die of an OD

2 : to have or experience too much of something —usually used with onOD on television

OD

Definition of OD (Entry 4 of 4)

1 doctor of optometry

2 [Latin oculus dexter] right eye

3 officer of the day

4 olive drab

5 on demand

6 outside diameter; outside dimension

7 overdraft; overdrawn

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Cite this Entry

“Od.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/od. Accessed 18 Jan. 2021.

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More Definitions for od

OD

verb

English Language Learners Definition of OD

informal

: to become sick or die from taking too much of a drug

: to have or experience too much of something

See the full definition for OD in the English Language Learners Dictionary

od

Medical Definition of od

(Entry 1 of 4)

every day —used in writing prescriptions

OD

\ (ˈ)ō-ˈdē

\

Medical Definition of OD (Entry 2 of 4)

1 : an overdose of a narcotic

2 : an individual who has taken an OD

OD

intransitive verb

OD'd or ODed; OD'ing; OD's

Medical Definition of OD (Entry 3 of 4)

: to become ill or die of an OD

OD

Medical Definition of OD (Entry 4 of 4)

1 doctor of optometry

2 [Latin oculus dexter] right eye —used in writing prescriptions

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