Definition oh
Etymology 1
From Middle English o, oo, oa (“oh”).
Interjection
oh
- Expression of surprise.
- Expression of wonder, amazement, or awe.
- Expression of understanding, affirmation, recognition, or realization.
- A word to precede an offhand or annoyed remark.
- A word to precede an added comment or afterthought.
- An invocation or address (similar to the vocative in languages with noun declension), often with a term of endearment.
- Exclamation for drama or emphasis (often poetic).
- Expression of pain. See ouch.
- Space filler or extra syllable, especially in (popular) music.
- (interrogative) Expression of mild scepticism.
Noun
oh (plural ohs)
- An utterance of oh; a spoken expression of surprise, acknowledgement, etc.
Verb
oh (third-person singular simple present ohs, present participle ohing, simple past and past participle ohed)
- (intransitive) To utter the interjection oh; to express surprise, etc.
Etymology 2
From Middle English o, oo, from Old English ō, from Latin ō.
Noun
oh (plural ohs)
- the letter O, o (more commonly spelled o)
Etymology 3
From English o (“zero”), ultimately of Arabic origin.
Noun
oh (plural ohs)
- the digit 0 (especially in representations of speech)