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Impervious vs Immutable - What's the difference?

impervious | immutable |

As adjectives the difference between impervious and immutable

is that impervious is unaffected or unable to be affected by while immutable is unable to be changed without exception.

As a noun immutable is

something that cannot be changed.

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

    immutable

    English

    Adjective

    (-)
  • Unable to be changed without exception.
    • The government has enacted an immutable law.
  • (programming, of a variable) Not able to be altered in the memory after its value is set initially, such as a constant.

    • Antonyms

    * mutable * nonimmutable

    Derived terms

    * strongly immutable * weakly immutable

    Noun

    (en noun)
  • Something that cannot be changed.

    • Anagrams

    * ----