in·sid·i·ous /ɪnˈsɪdiəs/
(a.)隱伏的,陰險的,狡猾的
in·sid·i·ous /ɪnˈsɪdɪəs/ 形容詞
隱襲的,隱匿的
In·sid·i·ous a.
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; characterized by treachery and deceit; as, insidious arts.
The insidious whisper of the bad angel. --Hawthorne.
Insidious disease Med., 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.
Syn: -- Crafty; wily; artful; sly; designing; guileful; circumventive; treacherous; deceitful; deceptive.
-- In*sid*i*ous*ly, adv. -- In*sid*i*ous*ness, n.
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insidious
adj 1: beguiling but harmful; "insidious pleasures"
2: intended to entrap
3: working or spreading in a hidden and usually injurious way;
"glaucoma is an insidious disease"; "a subtle poison"
[syn: pernicious, subtle]