- Oh is defined as something said to show surprise, to attract attention, or to show you understand.
- When a ghost surprises you in a haunted house, that's an example of when you say oh.
- Calling a waiter to your table to bring you the check is an example of oh; "Oh, waiter."
- When a student understands the math lesson they've been taught, they might say oh.
- Used to express strong emotion, such as surprise, fear, anger, or pain: Oh—can't you stop making so much noise?
- Used in direct address: Oh, sir! You forgot your keys.
- Used to indicate understanding or acknowledgment of a statement: Oh, I see. You can't come until tomorrow.
Origin of ohFrom the number zero's resemblance to the letter O.
- open house
- Expression of surprise.
- Oh! I didn't see you there.
- Expression of wonder, amazement, or awe.
- Oh, wow! That's amazing.
- Expression of understanding, recognition, or realization.
- Oh, so that's how it works.
- A word to precede an offhand or annoyed remark.
- Oh, leave me alone.
- A word to precede an added or comment or afterthought.
- Oh, and don't forget your coat.
- An invocation or address (similar to the vocative in languages with noun declension).
- Oh, gosh
- Exclamation for drama or emphasis (often poetic).
- Oh, when will it end?
- Expression of pain. See ouch.
- Oh! That hurt.
- Space filler or extra syllable, especially in (popular) music.
- oh, oh, oh
- Used with a term of endearment.
- Oh, baby
- (interrogative) Expression of mild scepticism
- "You should watch where you're going!" "Oh?"
- the letter O, o (more commonly spelled o)
- the digit 0 (especially in representations of speech)
- My telephone number is four-double-three-two-oh-nine.
- An utterance of oh; a spoken expression of surprise, acknowledgement, etc.
(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.
- (US) Ohio, a state of the United States of America.
- (organic chemistry) Symbol for a hydroxyl, or alcohol, functional group.
- (inorganic chemistry) Symbol for a hydroxide radical, or hydroxyl group.
- (US, army, aviation) Prefix code for observation helicopter designations.
- (Internet slang) Other Half, i.e. Husband, wife, partner etc.
oh - Computer Definition
The chemical symbol for hydroxyl. See also hydroxyl.