Longman Dictionary of Contemporary English homepage

Date: 1100-1200
Origin: none

no

2 determiner
     
no2 S1 W1
1 not one or not any:
There's no food left in the fridge.
No trains will be affected by this incident.
a house with no central heating
There's no excuse for that kind of behaviour.
2 used on signs to say that something is not allowed:
No parking
No smoking
3

in no time

informal very soon or very quickly:
We'll be home in no time.
4

there's no doing something

spoken used to emphasize that it is not possible to do something:
There's no knowing what this lunatic will do next.
There is no denying the suffering of these families (=they are definitely suffering).
5 used to emphasize that the opposite of a particular description is true:
That girl's no fool (=she is intelligent).
Larry's no friend of mine.
If he has to do it all himself, it will be no bad thing (=a good thing).
a question of no great importance

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