od

1 of 4

interjection

variants or
often capitalized
archaic
used as a mild oath

OD

2 of 4

noun

1
: an overdose of a narcotic
2
: one who has taken an OD

OD

3 of 4

verb

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

intransitive verb

1
: to become ill or die of an OD
2
: to have or experience too much of something
usually used with on
OD on television

OD

4 of 4

abbreviation

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

Word History

Etymology

Interjection

euphemism for God

Noun

overdose

First Known Use

Interjection

1600, in the meaning defined above

Noun

1859, in the meaning defined at sense 1

Verb

1965, in the meaning defined at sense 1

Time Traveler
The first known use of od was in 1600

Dictionary Entries Near od

Cite this Entry

“Od.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/od. Accessed 19 Jul. 2024.

Kids Definition

OD

1 of 2 noun
: an overdose of a drug and especially a narcotic

OD

2 of 2 verb
OD'd or ODed
(ˈ)ō-ˈdēd
; OD'ing
(ˈ)ō-ˈdē-iŋ
: to become ill or die from an OD

Medical Definition

od

1 of 4 abbreviation
every day
used in writing prescriptions

OD

2 of 4 noun
1
: an overdose of a narcotic
2
: an individual who has taken an OD

OD

3 of 4 intransitive verb
OD'd or ODed; OD'ing; OD's
: to become ill or die of an OD

OD

4 of 4 abbreviation
1
doctor of optometry
2
[Latin oculus dexter] right eye
used in writing prescriptions
Etymology

Abbreviation

Latin omnes dies

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