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Presumptuous vs Brash - What's the difference?

presumptuous | brash |

As adjectives the difference between presumptuous and brash

is that presumptuous is going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance while brash is impetuous or rash or brash can be (us|colloquial|dated) brittle, as wood or vegetables.

As a noun brash is

leaf litter of small leaves and little twigs as found under a hedge.

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

    brash

    English

    Etymology 1

    Adjective

    (en-adj)
  • impetuous or rash
  • (Grose)
  • insensitive or tactless
  • impudent or shameless
  • Noun

  • Leaf litter of small leaves and little twigs as found under a hedge.
  • A rash or eruption; a sudden or transient fit of sickness.
  • (geology) Broken and angular rock fragments underlying alluvial deposits.
  • (Lyell)
  • Broken fragments of ice.
  • (Kane)
    Derived terms
    * water brash * weaning brash

    Etymology 2

    Compare Amer. (bresk), (brusk), fragile, brittle.

    Adjective

    (en-adj)
  • (US, colloquial, dated) brittle, as wood or vegetables
  • (Bartlett)
    (Webster 1913) ----