definition of
[ominous]

[1] #1 ominous s. [baleful, forbidding, menacing, minacious, minatory, 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 clo. wn

[2] #2 ominous s. [ill, inauspicious] presaging ill fortune; "ill omens"; "ill predictions"; "my words with inauspicious thunderings shook heaven"- P.B.Shelley; "a dead and ominous silence prevailed"; "a by-election at a time highly unpropitious for the Government". wn