Adamant vs Impervious - What's the difference?

adamant | impervious |


As adjectives the difference between adamant and impervious

is that adamant is firm; unshakeable; unyielding; determined while impervious is unaffected or unable to be affected by.

As a noun adamant

is an imaginary rock or mineral of impenetrable hardness; a name given to the diamond and other substances of extreme hardness.

adamant

Alternative forms

* adamaunt (obsolete)

Adjective

(en adjective)
  • Firm; unshakeable; unyielding; determined.
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  • Synonyms

    * See also

    References

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    Noun

    (en noun)
  • An imaginary rock or mineral of impenetrable hardness; a name given to the diamond and other substances of extreme hardness.
  • * {{quote-book
  • , year= 1582 , year_published= , author= , by= , title= The first booke of the Christian exercise, appertayning to resolution , url= http://books.google.com/books?id=gvbik25DcCgC&pg=PT144 , original= , chapter= 8 , section = , isbn= , edition= , publisher= G. Flinton , location= , editor= , volume= , page= , passage= This then is and alwayes hath ben the fashion of Worldlinges, & reprobate persons, to harden their hartes as an adamant stone, against anye thinge that shalbe tolde the for amendement of their lives, and for the savinge of their soules. }}
  • An embodiment of impregnable hardness.
  • * 1956 , , The City and the Stars , p 34
  • Unprotected matter, however adamant , would have been ground to dust ages ago.
  • A magnet; a lodestone.
  • * 1594–96 , :
  • You draw me, you hard-hearted adamant :
    But yet you draw not iron, for all my heart
    Is true as steel. Leave you your power to draw,
    And I shall have no power to follow you.

    Derived terms

    * adamance (pos n) * adamantane (pos a) * adamantean (pos a) * adamantine (pos a) * adamantly (pos adv)

    References

    * ----

    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