5
unappetizing(adjective, dull, disgusting, ugly, bad-looking)
5
unbecoming(adjective, dull, disgusting, ugly, bad-looking)
5
unpleasant(adjective, dull, disgusting, ugly, bad-looking)
5
unshapely(adjective, dull, disgusting, ugly, bad-looking)
5
vile(adjective, dull, disgusting, ugly, bad-looking)
5
witchy(adjective, dull, disgusting, ugly, bad-looking)
4
insignificant
4
quiet(adjective, unassuming)
4
trivial(adjective, insignificant)
3
lifeless
3
mundane
3
paltry
3
polite(adjective, unassuming, unpretentious)
3
regular
3
reserved(adjective, unassuming)
3
routine
3
trifling(adjective, insignificant)
3
unimpressive(adjective, insignificant)
2
courteous(adjective, unassuming)
2
down-to-earth(adjective, modest, unaffected, unassuming, self-effacing)
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APASmart Define. (2016). unimposing thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unimposing/thesaurus/synonyms
ChicagoSmart Define. 2016. "unimposing thesaurus" https://smartdefine.org/unimposing/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, unimposing thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unimposing/thesaurus/synonyms>.
MLASmart Define. "unimposing thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/unimposing/thesaurus/synonyms>