- Must not.More example sentences
- There is much twisted and tangled negotiating over who we must and who we mustn't invite.
- We mustn't be afraid to experiment and mustn't be ashamed or disheartened by any mishaps along the way.
- So I thought, if it's man made, there must be someone driving it, mustn't there?
More definitions of mustn'tDefinition of mustn't in:
- The British & World English dictionary