11
grim(adjective, person, sullen, unwarmhearted)
11
hardhearted(adjective, person, feelings, cruel, unfeeling)
11
harsh(adjective, mean, hard, severe, dark)
11
inconsiderate(adjective, person, mean, feelings, negative)
11
morose(adjective, severe, stern, sullen, abrupt)
11
withdrawn(adjective, person, cool, cold, indifferent)
10
antipathetic(adjective, bad, disgusting, vile, hostile)
10
glacial(adjective, person, indifferent, negative, hostile)
10
inhumane(adjective, person, mean, evil, negative)
10
vindictive(adjective, person, evil, negative, unwarmhearted)
9
contrary(adjective, mean, nasty, difficult, rude)
9
frosty(adjective, person, cold, feelings, hostile)
9
offish(adjective, person, cool, avoid, cold)
9
quarrelsome(adjective, nasty, difficult, cold, negative)
9
repugnant(adjective, bad, disgusting, hostile, antagonistic)
9
sinister(adjective, person, evil, negative, unwarmhearted)
9
sullen(adjective, severe, unpleasant, disagreeable, stern)
9
uncaring(adjective, person, mean, hard, nasty)
9
unfavorable(adjective, mean, bad, wrong, evil)
9
unfeeling(adjective, person, mean, hard, cold)
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APASmart Define. (2016). unfriendly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unfriendly/thesaurus/synonyms
ChicagoSmart Define. 2016. "unfriendly thesaurus" https://smartdefine.org/unfriendly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, unfriendly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unfriendly/thesaurus/synonyms>.
MLASmart Define. "unfriendly thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/unfriendly/thesaurus/synonyms>