Synonyms for insidious
ɪnˈsɪd i əsin·sid·i·ous

Complete Dictionary of Synonyms and AntonymsRate these synonyms:0.0 / 0 votes

1. insidious

   Synonyms:
   wily, treacherous, designing, dangerous, deceitful, sly, crafty, artful

   Antonyms:
   straightforward, sincere, undesigning, innocuous

Princeton's WordNetRate these synonyms:0.0 / 0 votes

1. insidiousadjective

   beguiling but harmful

   "insidious pleasures"

   Synonyms:
   subtle, pernicious

   Antonyms:
   safe, unseductive, harmless

2. insidiousadjective

   intended to entrap

   Synonyms:
   subtle, pernicious

   Antonyms:
   unseductive, harmless, safe

3. insidious, pernicious, subtleadjective

   working or spreading in a hidden and usually injurious way

   "glaucoma is an insidious disease"; "a subtle poison"

   Synonyms:
   pestilent, elusive, subtle, baneful, pernicious, deadly

   Antonyms:
   harmless, safe, unseductive

Dictionary of English SynonymesRate these synonyms:4.0 / 1 vote

1. insidiousadjective

   Synonyms:
   artful, sly, wily, arch, crafty, cunning, subtle, intriguing, designing, deceitful, treacherous, crooked, trickish, TRICKY, foxy, snaky, diplomatic, machiavelian

PPDB, the paraphrase databaseRate these paraphrases:0.0 / 0 votes

1. List of paraphrases for "insidious":

   treacherous, underhand, sinister, scheming, wily, pervasive, sneaky, devious

Suggested Resources

1. insidious

   Song lyrics by insidious -- Explore a large variety of song lyrics performed by insidious on the Lyrics.com website.

How to pronounce insidious?

How to say insidious in sign language?

Words popularity by usage frequency

How to use insidious in a sentence?

1. Panagis Galiatsatos:

   I always tell people this is the most insidious addictive molecule known to man because it doesn't just overdose you.

2. Dinah Kirgo:

   It’s very insidious, what he did.

3. Avielle Foundation:

   Jeremy Richman was deeply devoted to supporting research into brain abnormalities that are linked to abnormal behavior and to promoting brain health. Tragically, Jeremy Richman death speaks to how insidious and formidable a challenge brain health can be and how critical it is for all of us to seek help for ourselves, our loved ones and anyone who we suspect may be in need, jeremy's mission will be carried on by the many who love Jeremy Richman, including many who share the heartache and trauma that Jeremy Richman has suffered since December 14, 2012. We are crushed to pieces, but this important work will continue, because, as Jeremy Richman would say, we have to.

4. James Stewart:

   Fear is an insidious and deadly thing. It can warp judgment, freeze reflexes, breed mistakes. Worse, it's contagious.

5. James Murdoch:

   The damage is profound, the sacking of the Capitol is proof positive that what we thought was dangerous is indeed very, very much so. Those outlets that propagate lies to their audience have unleashed insidious and uncontrollable forces that will be with us for years.