Definition of mustn't in English:

mustn't

Syllabification: must·n't
Pronunciation: /ˈməsənt
 
/

contraction

  • 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?

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Word of the day skosh
Pronunciation: skəʊʃ
noun
a small amount; a little