no. Definition in the Cambridge English Dictionary
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Definition of “no.” - English Dictionary

Definition of "no." - American English Dictionary

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no.noun [C]

 us   /ˈnʌm·bər/ (plural nos.)
abbreviation fornumber

noadjective [not gradable]

 us   /noʊ/

noadverb [not gradable]

 us   /noʊ/

no. adverb [not gradable] (NEGATIVE ANSWER)

used to give ​negativeanswers: "Are you ​hurt?" "No, I’m OK." "Would you like some ​coffee?" "No, ​thank you."

no. adverb [not gradable] (NOT)

not: It’s no ​colder today than it was ​yesterday.

nonoun [C]

 us   /noʊ/ (plural noes)
a ​negativeanswer: The ​answer is no.

No.adjective, noun [U]

abbreviation for north or northern
(Definition of no. from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "no." - British English Dictionary

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no.noun [before noun]

(plural nos)
written abbreviation fornumber: They ​live at No. 17. The ​answers to nos 13–20 are on ​page 21.No. 10 written abbreviation for Number Ten

nodeterminer

uk   /nəʊ/  us   /noʊ/
A1 not any; not one; not a: There's no ​butterleft. There are no ​pockets in these ​trousers. That's my ​kind of ​holiday - no ​email, no ​phone, and no ​worries. There's no ​chance (= no ​possibility) of us getting there by eight.A2 used in ​signs and on ​notices to show that something is not ​allowed: No ​smoking/​fishing.
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noadverb

uk   /nəʊ/  us   /noʊ/

no. adverb (NEGATIVE ANSWER)

A1 used to give ​negativeanswers: "Did you ​feed the ​cat?" "No, I ​forgot." "Would you like any more ​cake?" "No, ​thank you." "Do you have any ​homeworktonight?" "No."
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  • "Would you like another ​drink?" "I wouldn't say no."
  • The ​offer was so good that I couldn't say no .
  • "Must I ​sign this?" "No, there's no need."
  • He made it ​impossible for me to say no.
  • "Was it ​wrong of me to go to the ​police?" "Oh no, I'm ​sure you did the ​right thing."

no. adverb (NOT)

B1 not; not any: The ​exam is no more ​difficult than the ​tests you've been doing in ​class. The ​issues are of no ​greatinterest (= only a little ​interest) to me.
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nonoun [C]

uk   /nəʊ/  us   /noʊ/ (plural noes)
a ​negativeanswer or ​reaction: "Did you get any ​replies about the ​campingweekend?" "So ​far we have two ​yeses, a no, and a ​maybe." a ​vote against a ​suggestion, ​idea, ​law, etc., or a ​person who ​votes no: 14 ​ayes to 169 noes - the noes have it (= have ​won).
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(Definition of no. from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "No." - Business English Dictionary

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No.noun [C]

uk   us  
written abbreviation for number noun : It is the No. 1 ​sellingcar in America.
(Definition of No. from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “no.”
in Korean “number”의 약어…
in Arabic رَقَم…
in Malaysian no.…
in French n°…
in Russian номер…
in Chinese (Traditional) 號碼, …號…
in Italian abbreviazione scritta di “number”…
in Turkish numara…
in Polish nr (= = numer)…
in Spanish núm.…
in Vietnamese số…
in Portuguese forma abreviada de “number”…
in Thai หมายเลข (คำย่อของ number)…
in German Nr., die Nummer…
in Catalan abreviatura escrita de “number”: número…
in Japanese “number” の略…
in Chinese (Simplified) 号码, …号…
in Indonesian No., no.…
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