Oh definitions

ō
Ohio.
abbreviation
64
2
Open house.
abbreviation
62
2
Used to express strong emotion, such as surprise, fear, anger, or pain.

Oh—can't you stop making so much noise?

interjection
59
2
Used in direct address.

Oh, sir! You forgot your keys.

interjection
58
0
Used to indicate understanding or acknowledgment of a statement.

Oh, I see. You can't come until tomorrow.

interjection
52
2
Zero.
noun
49
2
Ohio.
abbreviation
48
2
Used to express surprise, wonder, fear, pain, etc.
interjection
45
2
Used in direct address, as to attract attention.

Oh, waiter!

interjection
42
1
Used to signify comprehension or acknowledgment of another's statement, explanation, etc.
interjection
39
2
An instance of this exclamation.
noun
36
1
(US) Ohio, a state of the United States of America.
abbreviation
18
1
Expression of wonder, amazement, or awe.

Oh, wow! That's amazing.

interjection
17
0
Expression of pain. See ouch.

Oh! That hurt.

interjection
17
0
(organic chemistry) Symbol for a hydroxyl, or alcohol, functional group.
abbreviation
15
1
Space filler or extra syllable, especially in (popular) music.

Oh, oh, oh.

interjection
14
0
(interrogative) Expression of mild scepticism.

"You should watch where you're going!" "Oh?"

interjection
14
0
(inorganic chemistry) Symbol for a hydroxide radical, or hydroxyl group.
abbreviation
12
1
A word to precede an offhand or annoyed remark.

Oh, leave me alone.

interjection
11
0
Used with a term of endearment.

Oh, baby.

interjection
11
0
(US, army, aviation) Prefix code for observation helicopter designations.
abbreviation
9
1
A word to precede an added or comment or afterthought.

Oh, and don't forget your coat.

interjection
8
0
The letter O, o (more commonly spelled o)
noun
8
0
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.

interjection
6
1
An invocation or address (similar to the vocative in languages with noun declension).

Oh, gosh.

interjection
5
0
The digit 0 (especially in representations of speech)

My telephone number is four-double-three-two-oh-nine.

noun
5
0
(Internet slang) Other Half, i.e. Husband, wife, partner etc.
abbreviation
5
1
Exclamation for drama or emphasis (often poetic).

Oh, when will it end?

interjection
2
0
An utterance of oh; a spoken expression of surprise, acknowledgement, etc.
noun
2
0
Expression of surprise.

Oh! I didn't see you there.

interjection
2
1
The chemical symbol for hydroxyl. See also hydroxyl.
1
1

Oh, so that's how it works.

interjection
1
1
See off-hook and modem.
0
0
(intransitive) To utter the interjection oh; to express surprise, etc.
verb
0
0

Origin of oh

From the number zero's resemblance to the letter O