NO Definition

NO
abbreviation

1. New Orleans.

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No¹
No
no
abbreviation

1. Number.

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No²
symbol

1. chem.
Nobelium.

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No³ Noh

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no¹
exclamation

1. Used as a negative reply, expressing denial, refusal or disagreement.

Thesaurus: absolutely not, by no means, nay, nope, nix (US slang).
2. colloq
Used as a question tag expecting agreement
Example: It's a deal, no?
3. Used as an astonished rejoinder

Example: No! You don't say!

adverb

1. Not any.

Example: no bigger than one's thumb
2. Used to indicate a negative alternative: not.

Example: whether he's willing or no

noun

noes
1. A negative reply or vote.

Example: The noes have it

Idiom: no more

Destroyed; dead.

Never again; not any longer.

Idiom: not take no for an answer

To continue with an activity in spite of refusals; to insist.

Etymology: Anglo-Saxon na, from ne not + a ever.