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mustn't

[ muhs-uhnt ]
/ ˈmʌs ənt /
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contraction of must not.
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usage note for mustn't

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use mustn't in a sentence

  • "You m-mustn't mind, Mr. B-Butters," she said, smiling through her tears.

    Miss Primrose|Roy Rolfe Gilson
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