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- DictionaryIn·sid·i·ous/inˈsidēəs/
adjective
- 1. proceeding in a gradual, subtle way, but with harmful effects: "sexually transmitted diseases can be insidious and sometimes without symptoms"
insidious: [adjective] awaiting a chance to entrap : treacherous. harmful but enticing : seductive.
Insidious definition: intended to entrap or beguile. See examples of INSIDIOUS used in a sentence.
INSIDIOUS definition: 1. (of something unpleasant or dangerous) gradually and secretly causing harm: 2. (of something…. Learn more.
INSIDIOUS meaning: 1. (of something unpleasant or dangerous) gradually and secretly causing harm: 2. (of something…. Learn more.
insidious: 1 adj working or spreading in a hidden and usually injurious way “glaucoma is an insidious disease” Synonyms: pernicious , subtle harmful causing or capable of causing harm adj intended to entrap Synonyms: dangerous , unsafe involving or causing danger or risk; liable to hurt or harm adj beguiling but harmful “ insidious pleasures” ...
Working or spreading harmfully in a subtle or stealthy manner: insidious rumors; an insidious disease. 2. Intended to entrap; treacherous: insidious misinformation. 3. Beguiling but harmful; alluring: insidious pleasures.
Definition of insidious adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
2 meanings: 1. stealthy, subtle, cunning, or treacherous 2. working in a subtle or apparently innocuous way, but nevertheless.... Click for more definitions.
Insidious definition: Working or spreading harmfully in a subtle or stealthy manner.
1 ENTRIES FOUND: insidious (adjective) insidious /ɪn ˈ sɪdijəs/ adjective. Britannica Dictionary definition of INSIDIOUS. [more insidious; most insidious] formal. : causing harm in a way that is gradual or not easily noticed. Most people with this insidious disease have no idea that they are infected. an insidious enemy.
