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See more synonyms for unfriendly on Thesaurus.com
adjective, un·friend·li·er, un·friend·li·est.
  1. not amicable; not friendly or kindly in disposition; unsympathetic; aloof: an unfriendly coldness of manner.
  2. hostile; antagonistic: an unfriendly act of aggression.
  3. unfavorable; inhospitable or inimical, as an environment: an unfriendly climate for new ideas.
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  1. in an unfriendly manner.
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Origin of unfriendly

before 900; Middle English (adj.); Old English unfreondlīche (adv.). See un-1, friendly
Related formsun·friend·li·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for unfriendly

combative, antagonistic, chilly, inhospitable, hateful, unfavorable, acrimonious, against, alien, aloof, antisocial, censorious, cold, competitive, conflicting, contrary, disaffected, disagreeable, distant, grouchy

Examples from the Web for unfriendly

Contemporary Examples of unfriendly

Historical Examples of unfriendly

  • It was not unfriendly; it was, indeed, consistently respectful, almost reverential.


    Mary Roberts Rinehart

  • Sometimes it is conferred by an unfriendly and inconsiderate hand.

  • Mulready started and fixed him with a troubled and unfriendly stare.

    The Black Bag

    Louis Joseph Vance

  • It must come to a friendly agreement, or an unfriendly crash.

  • Wisdom will never let us stand with any man or men on an unfriendly footing.

    Essays, First Series

    Ralph Waldo Emerson

British Dictionary definitions for unfriendly


adjective -lier or -liest
  1. not friendly; hostile
  2. unfavourable or disagreeable
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  1. rare in an unfriendly manner
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Derived Formsunfriendliness, 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 unfriendly


early 15c., "not characteristic of friends," from un- (1) "not" + friendly. Cf. Middle Dutch onvriendelijc, Middle High German unvriuntlich, German unfreundlich. Meaning "hostile, inimical" is recorded from late 15c. Related: Unfriendliness.

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Online Etymology Dictionary, © 2010 Douglas Harper