Synonyms

sinister threatening menacing minacious minatory forbidding ugly baleful

Examples

"a baleful look" "forbidding thunderclouds" "his tone became menacing" "ominous rumblings of discontent" "sinister storm clouds" "a sinister smile" "his threatening behavior"

Synonyms

inauspicious ill

Examples

"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"