to forbid (an action, activity, etc.) by authority or law

Smoking is prohibited here.

to forbid the action of (a person).

to prevent; hinder.

verb

allow , favor , permit , push

verb

ban , block , bottle up * , box in , bring to screeching halt , constrain , cool * , cork * , debar , disallow , enjoin , forbid , forfend , freeze * , gridlock , halt , hamper , hang up * , hinder , hold up , impede , inhibit , interdict , jam up , keep lid on , kill , lock up , nix , obstruct , outlaw , pass on , preclude , prevent , proscribe , put a lock on , put a stopper in , put chill on , put down , put half nelson on , restrain , restrict , rule out , shut out , spike * , stymie * , taboo * , throw cold water on , tie up * , veto , zing * , taboo , bar , excommunicate , stop