4
ill-natured(adjective, evil, difficult, rude, unpleasant)
4
insociable(adjective, person, avoid, cold, aloof)
4
irascible(adjective, unpleasant, irritable, disagreeable, touchy)
4
malignant(adjective, mean, nasty, cold, ill)
4
miserable(adjective, adverse, bad person)
4
negative(adjective, hostile, antagonistic, contrary, pessimistic)
4
obstinate(adjective, irritable, sullen, crabby, cranky)
4
offensive(adjective, bad, tough, dark, rude)
4
perverse(adjective, mean, nasty, unpleasant, dirty)
4
petulant(adjective, mean, nasty, difficult, rude)
4
reticent(adjective, cool, cold, indifferent, restrained)
4
retiring(adjective, person, cool, avoid, cold)
4
scrappy(mean, nasty, angry, antagonistic, aggressive)
4
undemonstrative(adjective, cool, indifferent, restrained, aloof)
4
unemotional(adjective, hard, indifferent, restrained, hostile)
4
unenthusiastic(adjective, person, cool, indifferent, feelings)
4
unkindly(adjective, adverb, evil, negative, coldhearted)
4
unwelcoming(adjective, person, mean, cool, nasty)
3
abrupt(adjective, rude, impolite, gruff, discourteous)
3
against(adjective, bad, nasty, cold, disgusting)
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APASmart Define. (2016). unfriendly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unfriendly/thesaurus/synonyms
ChicagoSmart Define. 2016. "unfriendly thesaurus" https://smartdefine.org/unfriendly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, unfriendly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unfriendly/thesaurus/synonyms>.
MLASmart Define. "unfriendly thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/unfriendly/thesaurus/synonyms>