Added 9 October 2026
unfriendly
/ʌnˈfɹɛn(d)li/ adjective
In Latin: hostilis, inimīcus Wiktionary
adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about unfriendly at Wordnik → Where our words come from →
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Not easy to understand or use.
user-unfriendly
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Not disposed to friendship or friendliness.
an unfriendly coldness of manner
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Not friendly.
an unfriendly act of aggression
Origin
From Middle English unfrendly, unfrendli, unfrendely, from Old English *unfrēondlīċ (suggested by derivative unfrēondlīċe (“in an unfriendly manner; unfriendly”, adverb)), equivalent to un- + friendly. Cognate with Saterland Frisian uunfrüntelk, uunfjuntelk (“unfriendly”), West Frisian ûnfreonlik (“unfriendly”), Dutch onvriendelijk (“unfriendly”), German Low German unfrünnelk (“unfriendly”), German unfreundlich (“unfriendly”), Faroese ófryntligur (“unfriendly”), Icelandic ófrýnilegur (“ugly; disturbing”).
From Wiktionary, via Kaikki.org (CC BY-SA)