Minacious

a.

1.

Threatening; menacing.

Adj.

1.

minacious - 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" Synonyms: menacing, minatory, ominous, sinister, threatening, baleful, forbidding, ugly

alarming, baleful, forbidding, menacing, minatory, ominous, sinister, threatening, ugly