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48 entries under adjective topic. ×

6
indefinable
5
inexpressible
4
incommunicable
4
indescribable
4
unutterable
3
ineffable
2
beyond words(expression, unspeakable)
2
defying description(expression, idiom, unspeakable)
1
abominable
1
alarming
1
appalling
1
atrocious
1
awful(informal, unspeakable)
1
beyond description
1
calamitous
1
description
1
detestable
1
dire
1
disgusting
1
dreadful
<123>
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APASmart Define. (2013). undescribable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/undescribable/thesaurus/synonyms
ChicagoSmart Define. 2013. "undescribable thesaurus" https://smartdefine.org/undescribable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, undescribable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/undescribable/thesaurus/synonyms>.
MLASmart Define. "undescribable thesaurus" 17 June 2013. Web. 25 September 2026. <https://smartdefine.org/undescribable/thesaurus/synonyms>