Phrase guide

must not

verb · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

verb

Meaning 1

Used to indicate that something is forbidden.

Definition source: English Wiktionary via Wiktextract

Usage: no-past, no-present-participle, participle, past

Examples

  • Pedestrians must not cross the road until the light goes green.

Meaning relationships

Synonyms: must refrain from, be not to

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

5 source translations are retained for this English entry.

  • Czech: nesmět — must refrain from
  • Esperanto: devi ne — must refrain from
  • French: devoir ne pas — must refrain from
  • Welsh: bod rhaid i ... beidio â — must refrain from
  • Welsh: gorfod peidio â — must refrain from