Definition, Meaning & Synonyms

insidious

Adjective
/ɪnˈsɪd.i.əs/
Definition
Characterized by stealthy or gradual harm, often appearing harmless but actually having harmful effects.
Examples
  • The insidious spread of misinformation can undermine public trust.
  • Her insidious charm disguised her true intentions.
  • Over time, the insidious effects of the poison accumulated in the environment.
Meaning
The term ‘insidious’ is used to describe something that is deceptive in a way that leads to negative consequences without immediate awareness.
Synonyms
  • Subtle
  • Stealthy
  • Deceptive
  • Crafty
  • Surreptitious