1
appalling(adjective, plain, unpleasant, awful, revolting)
1
awful(adjective, plain, unpleasant, ugly, revolting)
1
awkward
1
bad-looking(adjective, plain, unpleasant, awful, revolting)
1
base
1
beastly(adjective, plain, unpleasant, awful, revolting)
1
blemished
1
blotted
1
cacophonic
1
cacophonous
1
churlish
1
clumsy
1
coarse
1
contemptible
1
defaced
1
deformed(adjective, plain, unpleasant, awful, revolting)
1
dirty
1
disagreeable
1
dishonorable
1
dysphemistic
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APASmart Define. (2016). unbeautiful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unbeautiful/thesaurus/synonyms
ChicagoSmart Define. 2016. "unbeautiful thesaurus" https://smartdefine.org/unbeautiful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unbeautiful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unbeautiful/thesaurus/synonyms>.
MLASmart Define. "unbeautiful thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/unbeautiful/thesaurus/synonyms>