0%

insidious

in·sid·i·ous
I i

Transcription

    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [in-sid-ee-uh s]
    • /ɪnˈsɪd i əs/
    • /ɪnˈsɪd.i.əs/
    • US Pronunciation
    • US IPA
    • [in-sid-ee-uh s]
    • /ɪnˈsɪd i əs/

Definitions of insidious word

  • adjective insidious intended to entrap or beguile: an insidious plan. 1
  • adjective insidious stealthily treacherous or deceitful: an insidious enemy. 1
  • adjective insidious operating or proceeding in an inconspicuous or seemingly harmless way but actually with grave effect: an insidious disease. 1
  • noun insidious Proceeding in a gradual, subtle way, but with harmful effects. 1
  • adjective insidious cunning 1
  • adjective insidious treacherous 1

Information block about the term

Origin of insidious

First appearance:

before 1535
One of the 29% oldest English words
1535-45; < Latin insidiōsus deceitful, equivalent to insidi(ae) (plural) an ambush (derivative of insidēre to sit in or on) + -ōsus -ous; see sit1

Historical Comparancy

Parts of speech for Insidious

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation

insidious popularity

A common word. It’s meaning is known to most children of preschool age. About 85% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

insidious usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for insidious

adj insidious

  • subtle — thin, tenuous, or rarefied, as a fluid or an odor.
  • dangerous — If something is dangerous, it is able or likely to hurt or harm you.
  • machiavellian — of, like, or befitting Machiavelli.
  • artful — If you describe someone as artful, you mean that they are clever and skilful at achieving what they want, especially by deceiving people.
  • astute — If you describe someone as astute, you think they show an understanding of behaviour and situations, and are skilful at using this knowledge to their own advantage.

adjective insidious

  • sinister — threatening or portending evil, harm, or trouble; ominous: a sinister remark.
  • devious — If you describe someone as devious you do not like them because you think they are dishonest and like to keep things secret, often in a complicated way.
  • underhand — not open and aboveboard; secret and crafty or dishonorable: an underhand deal with the chief of police.
  • tricky — given to or characterized by deceitful tricks; crafty; wily.
  • ensnaring — Present participle of ensnare.

Antonyms for insidious

adj insidious

  • honest — honorable in principles, intentions, and actions; upright and fair: an honest person.
  • sincere — free of deceit, hypocrisy, or falseness; earnest: a sincere apology.
  • fair — free from bias, dishonesty, or injustice: a fair decision; a fair judge.
  • open — not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate: to leave the windows open at night.

adjective insidious

  • harmless — without the power or desire to do harm; innocuous: He looks mean but he's harmless; a harmless Halloween prank.

Top questions with insidious

  • what does insidious mean?
  • what is insidious?
  • when does insidious 3 come out?
  • what is insidious 3 about?
  • what is insidious about?
  • how do you spell insidious?
  • what does the word insidious mean?
  • what is the definition of insidious?
  • how long is insidious?
  • when did insidious come out?
  • what is insidious 2 about?
  • what is insidious rated?
  • how long is insidious 2?
  • how long is the movie insidious 3?
  • when did insidious 2 come out?

See also

Matching words

Was this page helpful?
Yes No
Thank you for your feedback! Tell your friends about this page
Tell us why?