Found 2 items, similar to minacious.
English → English (WordNet) Definition: minacious minacious adj : 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, minatory, ominous, sinister, threatening, ugly]
English → English (gcide) Definition: Minacious Minacious \Mi*na"cious\, a. [L. minax, -acis. See Menace.] Threatening; menacing. [R.] [1913 Webster]