1. (

• forbid ,
• prohibit ,
• interdict ,
• proscribe ,
• veto ,
• disallow ,
• nix

) command against; "I forbid you to call me late at night"; "Mother vetoed the trip to the chocolate store"; "Dad nixed our plans" ;

2. (

• prevent ,
• forestall ,
• foreclose ,
• preclude ,
• forbid ,

) keep from happening or arising; make impossible; "My sense of tact forbids an honest answer"; "Your role in the projects precludes your involvement in the competitive project" ;