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See more synonyms for presumptuous on Thesaurus.com
  1. full of, characterized by, or showing presumption or readiness to presume in conduct or thought, as by saying or doing something without right or permission.
  2. unwarrantedly or impertinently bold; forward.
  3. Obsolete. presumptive.
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Origin of presumptuous

1300–50; Middle English < Late Latin praesūmptuōsus, variant of Latin praesūmptiōsus. See presumption, -ous
Related formspre·sump·tu·ous·ly, adverbpre·sump·tu·ous·ness, nouno·ver·pre·sump·tu·ous, adjectiveo·ver·pre·sump·tu·ous·ly, adverbo·ver·pre·sump·tu·ous·ness, nounun·pre·sump·tu·ous, adjectiveun·pre·sump·tu·ous·ly, adverbun·pre·sump·tu·ous·ness, noun
Can be confusedpresumptive presumptuous


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Synonym study

1, 2. See bold.


Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for presumptuously

Historical Examples

  • We thought this enough; but we were utterly and presumptuously wrong.

    The International Magazine, Volume 2, No. 3, February, 1851


  • Pardon me if I have thrust myself too presumptuously upon your sorrow.

    Darkness and Dawn

    Frederic W. Farrar

  • That was said not vainly or presumptuously, but in reproof of sycophantic courtiers.

  • This may be speaking too presumptuously, and may deserve a punishment.

    Life of John Keats

    William Michael Rossetti

  • And how presumptuously she had wished for "something to happen!"

    Faith Gartney's Girlhood

    Mrs. A. D. T. Whitney

British Dictionary definitions for presumptuously


  1. characterized by presumption or tending to presume; bold; forward
  2. an obsolete word for presumptive
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Derived Formspresumptuously, adverbpresumptuousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for presumptuously



mid-14c., from Old French presumtuex (12c.; Modern French présomptueux) and directly from Late Latin praesumptuosus, variant of praesumptiosus, from past participle stem of Latin praesumere "anticipate," in Late Latin, "assume" (see presumption). Related: Presumptuously; presumptuousness.

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Online Etymology Dictionary, © 2010 Douglas Harper