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Impervious vs Insouciance - What's the difference?

impervious | insouciance |

As an adjective impervious

is unaffected or unable to be affected by.

As a noun insouciance is

carelessness, heedlessness, indifference, or casual unconcern.

impervious

English

Adjective

(en adjective)
  • Unaffected or unable to be affected by.
  • *
    • , title=(The Celebrity), chapter=5 , passage=Although the Celebrity was almost impervious to sarcasm, he was now beginning to exhibit visible signs of uneasiness, the consciousness dawning upon him that his eccentricity was not receiving the ovation it merited.}}
  • Preventive of any penetration; impenetrable, impermeable, particularly of water.
  • Immune to damage or effect.

    • Antonyms

    * pervious

    Derived terms

    * imperviously * imperviousness

    insouciance

    English

    Noun

    (-)
  • carelessness, heedlessness, indifference, or casual unconcern
  • nonchalance

    • Synonyms

    * See also