dictionary help| insidious | medical dictionary |
1. Lying in wait; watching an opportunity to insnare or entrap; deceitful; sly; treacherous; said of persons; as, the insidious foe. "The insidious witch."
2. Intended to entrap; characterised by treachery and deceit; as, insidious arts. "The insidious whisper of the bad angel.
<medicine>" (Hawthorne) Insidious disease, a disease existing, without marked symptoms, but ready to become active upon some slight occasion; a disease not appearing to be as bad as it really is.
Synonyms: Crafty, wily, artful, sly, designing, guileful, circumventive, treacherous, deceitful, deceptive.
Insid"iously, Insid"iousness.
Origin: L. Insidiosus, fr. Insidiae an ambush, fr. Insidere to sit in; pref. In- + sedere to sit: cf. F. Insidieux. See Sit.
(01 Mar 1998)
inshore, inside, inside out patch, inside out vesicle < Prev | Next > insidiously, INSIGHT, insight
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