forbidder

for·bid

 (fər-bĭd′, fôr-)

tr.v. for·bade (-băd′, -bād′) or for·bad (-băd′), for·bid·den (-bĭd′n) or for·bid, for·bid·ding, for·bids

1. To command (someone) not to do something: I forbid you to go.

2. To command against the doing or use of (something); prohibit: forbid smoking on trains.

3. To have the effect of preventing; preclude: Discretion forbids a reply.

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[Middle English forbidden, forbeden, from Old English forbēodan; see bheudh- in Indo-European roots.]

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for·bid′dance n.

for·bid′der n.

Synonyms: forbid, ban¹, prohibit, proscribe
These verbs mean to refuse to allow: laws that forbid speeding; banned smoking in restaurants; rules that prohibit loitering; proscribed the importation of certain fruits.

Antonym: permit¹