150 entries under adjective topic. ×

6
formless(vague, disorganized, shapeless)
6
fuzzy
6
indefinable
5
endless(immense, infinite, boundless, unlimited)
5
faint
5
foggy
5
general(uncertain, vague, unknown, unclear)
5
ill-defined(weak, obscure, dark, dim)
5
imprecise(uncertain, vague, unknown, general)
5
infinite(vague, unknown, general, unclear)
5
pale
4
blurry
4
broad(vague, unknown, general, unclear)
4
confused(weak, obscure, dark, uncertainty)
4
perpetual
4
shapeless
4
unbounded(immense, infinite, boundless, unlimited)
4
undefinable
4
unknown(vague, general, unclear, ambiguous)
4
unspecific(vague, unknown, general, unclear)
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APASmart Define. (2015). undefined thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undefined/thesaurus/synonyms
ChicagoSmart Define. 2015. "undefined thesaurus" https://smartdefine.org/undefined/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, undefined thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undefined/thesaurus/synonyms>.
MLASmart Define. "undefined thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/undefined/thesaurus/synonyms>