6
self-contained(adjective, person, avoid, aloof, reticent)
6
stony(adjective, person, indifferent, negative, hostile)
6
uncompanionable(adjective, person, avoid, cold, indifferent)
6
uncompassionate(adjective, evil, negative, unfeeling, unsympathetic)
6
unforthcoming(adjective, person, cool, cold, feelings)
6
unneighborly(adjective, cool, nasty, cold, sensitive)
6
whiny(adjective, difficult, rude, unpleasant, irritable)
5
adversary(noun, enemy)
5
bad(adjective, person, mean, wrong, evil)
5
banemalenteous(adjective, person, unwarmhearted)
5
barbaric(adjective, person, unwarmhearted)
5
bellicose(adjective, mean, nasty, difficult, rude)
5
cat-hearted(adjective, person, unwarmhearted)
5
coldhearted(adjective, person, mean, hard, feelings)
5
contentious(adjective, mean, nasty, difficult, rude)
5
discourteous(adjective, rude, coarse, vulgar, disagreeable)
5
fiendish(adjective, person, unwarmhearted)
5
formal(adjective, cool, cold, indifferent, detached)
5
glum(adjective, severe, stern, sullen, abrupt)
5
grumpy(adjective, unpleasant, disagreeable, sullen, abrupt)
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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>