(Celtic linguistics) An Old Irish pronominal clitic added to the end of an accentual unit containing a pronoun, now more commonly called emphatic suffixes.

(historical) A piece of wood or similar object used to discourage the speaking of Welsh in schools. Any child overheard speaking Welsh was given the "not", and the child who had it at the end of the day would be punished.

plural of NOT gate

plural of not equal sign

plural of NOT operator

plural of what-not shop

A phrase used on destination tags for some of a ship passengers' baggage, for goods that were to be stored in the ship's hold, rather than kept available in the passenger's cabin, or "Wanted in Stateroom"

Synonym of not know whether to shit or go blind (“be bewildered”).

(vulgar) To be bewildered, especially about what future course of action one should take.

(UK, idiomatic) Used as a softening preface to a statement that might be taken as offensive or malicious.