must not

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must not

verb must not · mustn't

  1. no past, no present participle, participle, past Used to indicate that something is forbidden. Pedestrians must not cross the road until the light goes green.

    Similar: must refrain from, be not to

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verb must refrain from

Françaisdevoir ne pas

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MLA

"must not." Wiktionary, via Micwyn, micwyn.com/word/must%20not. Accessed 6 Nov. 2026.

APA

must not. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/must%20not

Chicago

"must not." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/must%20not.

BibTeX
@misc{must_not_2026,
  title = {must not},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/must%20not},
  urldate = {2026-11-06}
}