5
terrible(adjective, dull, disgusting, ugly, bad-looking)
5
undesirable(adjective, offensive, improper, ugly, distasteful)
5
unimposing(adjective, dull, disgusting, ugly, bad-looking)
5
unpleasing(adjective, ugly)
5
unshapely(adjective, dull, disgusting, ugly, bad-looking)
5
witchy(adjective, dull, disgusting, ugly, bad-looking)
4
closed(adjective, coldhearted)
4
dull(adjective, unpleasant, unattractive, appealing)
4
unkindly(adjective, coldhearted)
4
unlovely(adjective, plain, ugly, unattractive)
4
unpalatable(adjective, nasty, unpleasant, bleak, unattractive)
4
unwelcome(adjective, offensive, improper, distasteful, intolerable)
3
banal(adjective, unpleasant, unattractive, appealing)
3
dreary(adjective, unpleasant, unattractive, appealing)
3
homely(adjective, nasty, plain, ugly, repulsive)
3
incompatible(adjective, coldhearted)
3
insipid(adjective, nasty, unpleasant, unattractive, unfair)
3
somber(adjective, unpleasant, unattractive, appealing)
3
unacceptable(adjective, offensive, suitable, improper, satisfactory)
3
unaesthetic(adjective, plain, ugly, unattractive)
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APASmart Define. (2016). unappealing thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unappealing/thesaurus/synonyms
ChicagoSmart Define. 2016. "unappealing thesaurus" https://smartdefine.org/unappealing/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, unappealing thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unappealing/thesaurus/synonyms>.
MLASmart Define. "unappealing thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/unappealing/thesaurus/synonyms>