Define insidious: causing harm in a way that is gradual or not easily noticed —
insidious in a sentence.
Neither insidious nor invidious are happy words: insidious describes something
that lies in wait to get you, and invidious is something offensive or defamatory.
Insidious definition, intended to entrap or beguile: an insidious plan. See more.
insidious definition, meaning, what is insidious: (of something unpleasant or
dangerous) gradually and secretly causing harm: . Learn more.
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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 ...
Proceeding in a gradual, subtle way, but with very harmful effects:. Meaning,
pronunciation and example sentences, English to English reference content.
Insidious | stealthy, subtle, cunning, or treacherous | Definition, pronunciation,
examples & translations.
Insidious (adverb insidiously) developing in a very gradual, in a stealthy manner,
with the intend of causing damage.
Synonyms for insidious at Thesaurus.com with free online thesaurus, antonyms,
and definitions. Dictionary and Word of the Day.