Insidious

Insidious (insidious)

(?)

In*sid"i*ous

[L. insidiosus, fr. insidiae an ambush, fr. insidere to sit in; pref. in- + sedere to sit: cf. F. insidieux. See Sit.]

Lying in wait; watching an opportunity to insnare or entrap; deceitful; sly; treacherous; -- said of persons; as, the insidious foe.

"The insidious witch." Cowper.

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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The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain.
- Wikipedia

Insidious

Why Donate?

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Donations from Outside of the United States

Donations by Other Methods

News: twelve

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain. - Wikipedia

Insidious

Why Donate?

Donate Using PayPal

Donations from Outside of the United States

Donations by Other Methods

News: twelve

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain.
- Wikipedia