| verb | command against “I forbid you to call me late at night” |
| verb | keep from happening or arising; make impossible “My sense of tact forbids an honest answer” |
| adjective | excluded from use or mention “forbidden fruit” |
| forbidding | noun | an official prohibition or edict against something |
| forbiddance | noun | an official prohibition or edict against something |
| prohibition | noun | the action of prohibiting or inhibiting or forbidding (or an instance thereof) |
| interdict | noun | a court order prohibiting a party from doing a certain activity |
| interdiction | noun | authoritative prohibition |
| proscription | noun | a decree that prohibits something |
| veto | noun | a vote that blocks a decision |
| preventive | adjective | tending to prevent or hinder |
| preventative | adjective | tending to prevent or hinder |
| forestalling | noun | the act of preventing something by anticipating and disposing of it effectively |
| preclusion | noun | the act of preventing something by anticipating and disposing of it effectively |