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.

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How to use insidious in a sentence?

1. Tulsa Mayor G.T. Bynum:

   It is more about the really insidious nature of drug utilization than it is about race, in my opinion.

2. Siegfried Fischbacher:

   Roy Horn was a fighter Roy Horn whole life including during these final days, i give my heartfelt appreciation to the team of doctors, nurses and staff at Mountain View Hospital who worked heroically against this insidious virus that ultimately took Roy's life.

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. Andrew Stevens:

   Alzheimer’s is an insidious disease which affected not only my mother, but my grandmother and great aunt. Hopefully my mother’s work will be remembered for her collaborations with some of the entertainment industry’s biggest icons.

5. Naomi Kahn:

   Palestinian Authority has undertaken a very carefully and purposefully orchestrated program of historical revisionism, in an attempt to blur and eventually erase the Jewish connection to the Land of Israel, because Judea and Samaria are the cradle of Jewish history, these areas are quite naturally the focal points of this insidious campaign.