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Presumptuous vs Indefatigable - What's the difference?

presumptuous | indefatigable |

As adjectives the difference between presumptuous and indefatigable

is that presumptuous is going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance while indefatigable is extremely persistent and untiring.

presumptuous

English

Alternative forms

* (archaic)

Adjective

(en adjective)
  • Going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance.

    • Synonyms

    * (going beyond what is proper) overconfident, foolhardy, rash, presuming, forward, arrogant, insolent, conceited

    Related terms

    * presumption

    indefatigable

    English

    Adjective

    (en adjective)
  • Extremely persistent and untiring.
  • *
    • but he was at the same time an excellent scholar, and most indefatigable in teaching the two lads.
  • * 1898 , :
    • All night long the Martians were hammering and stirring, sleepless, indefatigable , at work upon the machines they were making ready, and ever and again a puff of greenish-white smoke whirled up to the starlit sky.

    Synonyms

    * inexhaustible, tireless, unflagging, unsinkable, untiring, unwearying,

    Antonyms

    * defatigable (much less common)

    Derived terms

    * indefatigably * indefatigability * indefatigableness