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insidious

see definition of insidious
  • adjsneaky, tricky
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Synonyms for insidious

adj sneaky, tricky
  • dangerous
  • subtle
  • Machiavellian
  • artful
  • astute
  • corrupt
  • crafty
  • crooked
  • cunning
  • deceitful
  • deceptive
  • deep
  • designing
  • dishonest
  • disingenuous
  • duplicitous
  • ensnaring
  • false
  • foxy
  • guileful
  • intriguing
  • like a snake in the grass
  • perfidious
  • perilous
  • secret
  • slick
  • sly
  • smooth
  • snaky
  • sneaking
  • stealthy
  • surreptitious
  • treacherous
  • wily
  • wormlike

Antonyms for insidious

  • fair
  • honest
  • open
  • sincere
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

More words related to insidious

crafty

adjective. clever, scheming

deceptive

adjective. dishonest
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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