'ominous' definitions:

Definition of 'ominous'

From: WordNet
adjective
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" [syn: baleful, forbidding, menacing, minacious, minatory, ominous, sinister, threatening]
adjective
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" [syn: ill, inauspicious, ominous]

Synonyms of 'ominous'

From: Moby Thesaurus

Words containing 'ominous'