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Synonyms

unfriendly

American  
[uhn-frend-lee] / ʌnˈfrɛnd li /

adjective

unfriendlier, unfriendliest
  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.


adverb

  1. in an unfriendly manner.

unfriendly British  
/ ʌnˈfrɛndlɪ /

adjective

  1. not friendly; hostile

  2. unfavourable or disagreeable

"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

adverb

  1. rare in an unfriendly manner

"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

Other Word Forms

  • unfriendliness noun

Etymology

Origin of unfriendly

before 900; Middle English (adj.); Old English unfreondlīche (adv.). See un- 1, friendly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Senators this week began to circulate a draft viewed as unfriendly to Coinbase and stablecoin issuer Circle Internet Group, helping to push shares of Coinbase down about 8% and Circle nearly 20% on Tuesday.

From Barron's • Mar. 26, 2026

Historically, there’s always been this friendly or maybe unfriendly competition between people.

From Los Angeles Times • Dec. 18, 2025

Looking ahead: “The labor market is holding on, though it remains fairly unfriendly to job seekers,” said Elizabeth Renter, senior economist at NerdWallet.

From MarketWatch • Dec. 9, 2025

According to him, in August 2023, his aide returned to Japan to visit his family, and returned to Budapest three weeks later "a changed man", tense, and unfriendly.

From BBC • Nov. 9, 2025

Roz wandered the island, covered in dirt and green growing things, and everywhere she went, she heard unfriendly words.

From "The Wild Robot" by Peter Brown