1. (

• ban ,
• banning ,
• forbiddance ,
• forbidding

) an official prohibition or edict against something ;

1. (

• dour ,
• forbidding ,
• grim ,

) harshly uninviting or formidable in manner or appearance; "a dour, self-sacrificing life"; "a forbidding scowl"; "a grim man loving duty more than humanity"; "undoubtedly the grimmest part of him was his iron claw"- J.M.Barrie ;

2. (

• baleful ,
• forbidding ,
• menacing ,
• minacious ,
• minatory ,
• ominous ,
• sinister ,
• threatening

) threatening or foreshadowing evil or tragic developments; "a baleful look"; "forbidding thunderclouds"; "his tone became menacing"; "ominous rumblings of discontent"; "sinister storm clouds"; "a sinister smile"; "his threatening behavior"; "ugly black clouds"; "the situation became ugly" ;