Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of insidious is as below...

Wile :: Wile (n.) A trick or stratagem practiced for insnaring or deception; a sly, insidious; artifice; a beguilement; an allurement..

Dog :: Dog (v. t.) To hunt or track like a hound; to follow insidiously or indefatigably; to chase with a dog or dogs; to worry, as if by dogs; to hound with importunity..

Deepness :: Deepness (n.) Craft; insidiousness.

Cobweb :: Cobweb (n.) A snare of insidious meshes designed to catch the ignorant and unwary.

Captious :: Captious (a.) Fitted to harass, perplex, or insnare; insidious; troublesome..

Covertly :: Covertly (adv.) Secretly; in private; insidiously.

Creepingly :: Creepingly (adv.) by creeping slowly; in the manner of a reptile; insidiously; cunningly.

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

Snary :: Snary (a.) Resembling, or consisting of, snares; entangling; insidious..

Insidious :: Insidious (a.) Intended to entrap; characterized by treachery and deceit; as, insidious arts..

Siren :: Siren (n.) Something which is insidious or deceptive.

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