- (not) in so many words
- not in the least
- not in the slightest
- not in wildest dreams
- not in your right mind
- (not) in your right mind
- notion
- notional
- notionalities
- notionality
- notionally
- notionless
- notions
- not just a pretty face
- not just yet
- not know any better
- not know beans about
- not know beans about sth
- not know, etc. the first thing about sb
- not know, etc. the first thing about sth
- not know, etc. the first thing about sth/sb
- not know from Adam
- not-know-from-adam
- not know sb from Adam
- not know the first thing about