5 entries under expression topic. ×

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below par(offensive, improper, distasteful, intolerable)
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hard on the eyes(adjective, idiom, unattractive)
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not appealing(adjective, unpleasant, unattractive, unbeauteous)
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not beautiful(adjective, plain, unattractive)
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not up to snuff(idiom, offensive, improper, distasteful)
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APASmart Define. (2016). unappealing thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unappealing/thesaurus/synonyms
ChicagoSmart Define. 2016. "unappealing thesaurus" https://smartdefine.org/unappealing/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, unappealing thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unappealing/thesaurus/synonyms>.
MLASmart Define. "unappealing thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/unappealing/thesaurus/synonyms>