insidious

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(in-sid-i-ous) 4 syllables

Definition

adjective. 1 dangerous through cunning and subtlety and underhandedness; 2 seemingly or outwardly harmless but actually very dangerous

Example Sentence

They hatched an insidious plot.

Synonyms

sneaky; tricky; cunning

Antonyms

fair; honest; open; sincere

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insidious
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Rhymes

  • hideous

  • fastidious
  • insidious
  • invidious