Words that Rhyme with insidious
3 Syllable Words
hideous
4 Syllable Words
fastidious, invidious
Definitions of insidious
a. Lying in wait; watching an opportunity to insnare or entrap; deceitful; sly; treacherous; -- said of persons; as, the insidious foe.
a. Intended to entrap; characterized by treachery and deceit; as, insidious arts.