Web Results
intended to entrap or beguile: an insidious plan.
stealthily treacherous or deceitful: an insidious enemy.
operating or proceeding in an inconspicuous or seemingly harmless way but actually with grave effect: an insidious disease.
Source: Dictionary.com
insidious | Define insidious at Dictionary.com
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Insidious (film) - Wikipedia


Insidious is a 2010 American-Canadian supernatural horror film directed by James Wan, written by Leigh Whannell, and starring Patrick Wilson, Rose Byrne and ...

Insidious | Define Insidious at Dictionary.com


Insidious definition, intended to entrap or beguile: an insidious plan. See more.

Insidious | Definition of Insidious by Merriam-Webster


Define insidious: causing harm in a way that is gradual or not easily noticed — insidious in a sentence.

insidious - Dictionary Definition : Vocabulary.com


Insidious is related to the Latin noun, īnsidiae meaning "ambush" which comes from the Latin verb, īnsidēre "to lie in wait for." This is very fitting as an insidious ...

insidious - definition of insidious in English | Oxford Dictionaries


proceeding in a gradual, subtle way, but with very harmfu... Meaning, pronunciation, example sentences, and more from Oxford Dictionaries.

insidious Definition in the Cambridge English Dictionary


insidious definition, meaning, what is insidious: (of something unpleasant or dangerous) gradually and secretly causing harm: . Learn more.

Insidious dictionary definition | insidious defined - YourDictionary


The definition of insidious is something or someone who works in a subtle or sly way, or in an intent to trap. An example of insidious is a plan that is meant to ...

Insidious - definition of insidious by The Free Dictionary


Working or spreading harmfully in a subtle or stealthy manner: insidious rumors; an insidious disease. 2. Intended to entrap; treacherous: insidious ...