- nit; nits.
- niton.
- near threatened.
- neurotypical (def. 1).
- New Testament.
- Northwest Territories, Canada (approved for postal use).
- a contraction of not: didn't; hadn't; couldn't; shouldn't; won't; mustn't.
- New Testament.
- Northern Territory.
- National Trust
- New Testament
- Northern Territory (of Australia)
- (esp in postal addresses) Northwest Territories (of Australia)
- (esp in postal addresses) Nunavut
- no-trump
- (in Ireland) National Teacher (teacher in a National School)
- not: used as an enclitic after be and have when they function as main verbs and after auxiliary verbs or verbs operating syntactically as auxiliaries