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prohibit

/pɹəʊˈhɪbɪt/verb

To officially ban something or refuse to allow it.

Example sentences

  • “City rules prohibit parking on this street during rush hour.”
  • “The museum prohibits flash photography in all its galleries.”

Followed by a noun or 'from doing': the law prohibits you from entering. Never 'prohibit to do'.

Featured as word of the day on February 24, 2026.

Synonyms for prohibit

  • ban
  • forbid
  • outlaw
  • bar
  • disallow

Antonyms

On the Academic Word List. Find it in: Academic vocabulary.

Related words

precludeTo make something impossible or rule it out in advance.projectA piece of planned work with a clear goal, usually completed over several stages.profuseProduced or given in very large amounts.projectorA machine that shines light to display pictures or video on a screen or wall.profoundExtremely deep, intense, or full of meaning.proliferateTo grow or spread quickly in number.