INSIDIOUS


Meaning of INSIDIOUS in English

adj intended to entrap; characterized by treachery and deceit; as, insidious arts.

2. insidious ·adj lying in wait; watching an opportunity to insnare or entrap; deceitful; sly; treacherous;

— said of persons; as, the insidious foe.

Webster English vocab.      Английский словарь Webster.