Word Meaning

insidious definition and meaning

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.

Crossword clues for insidious

- Stealthily harmful
- Stealthy