WordWeb Online

1. Command against
   "I forbid you to call me late at night"
   - prohibit, interdict, proscribe, veto, disallow, nix [N. Amer]
    
2. Keep from happening or arising; make impossible
   "My sense of tact forbids an honest answer"
   - prevent, forestall, foreclose, preclude

Derived forms: forbade, forbidden, forbids, forbidding, forbad

See also: forbiddance, forbidding

Type of: command, require

Antonym: permit

Encyclopedia: Forbid