WordReference Random House Unabridged Dictionary of American English © 2026
mi•na•cious
(mi nā′shəs),USA pronunciation adj.
mi•na′cious•ly, adv.
mi•na′cious•ness, mi•nac•i•ty
(mi nas′i tē),USA pronunciation n.
- menacing; threatening.
- Latin mināci- (stem of mināx) overhanging, threatening + -ous
- 1650–60