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insidiousness
in·sid·i·ous I0162500 (ĭn-sĭd′ē-əs)adj.1. 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.
[From Latin īnsidiōsus, from īnsidiae, ambush, from īnsidēre, to sit upon, lie in wait for : in-, in, on; see in-2 + sedēre, to sit; see sed- in Indo-European roots.]
in·sid′i·ous·ly adv.in·sid′i·ous·ness n.Thesaurus| Noun | 1. | insidiousness - subtle and cumulative harmfulness (especially of a disease)harmfulness, injuriousness - destructiveness that causes harm or injury | | 2. | insidiousness - the quality of being designed to entrapperfidiousness, perfidy, treachery - betrayal of a trust |
MedicalSeeinsidiousinsidiousness
Words related to insidiousnessnoun subtle and cumulative harmfulness (especially of a disease)Related Wordsnoun the quality of being designed to entrapRelated Words- perfidiousness
- perfidy
- treachery
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