\ ˈäd
\
\
variants:
or odd
Definition of od
(Entry 1 of 4)
archaic
—used as a mild oath
OD
noun
\ ˌō-ˈdē
\
\
Definition of OD (Entry 2 of 4)
1
: an overdose of a narcotic
2
: one who has taken an OD
OD
verb
OD'd or ODed; OD'ing; OD's
Definition of OD (Entry 3 of 4)
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
abbreviationDefinition 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
Learn More About od
Statistics for od
Look-up Popularity
Cite this Entry
“Od.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/od. Accessed 19 Jan. 2022.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
More Definitions for od
OD
verbEnglish Language Learners Definition of OD
: to become sick or die from taking too much of a drug : overdose
: to have or experience too much of something
od
abbreviationMedical Definition of od
(Entry 1 of 4)
every day
—used in writing prescriptions
OD
noun
\ (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
abbreviationMedical Definition of OD (Entry 4 of 4)
1
doctor of optometry
2
[Latin oculus dexter]
right eye
—used in writing prescriptions
Test Your Vocabulary
Farm Idioms Quiz
-
- What does 'poke' refer to in the expression 'pig in a poke'?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share od
Time Traveler for od
The first known use of od was in 1600
See more words from the same year