80 entries under adjective topic. ×

8
indefinite(certain, vague, ambiguous)
8
uncertain(clear, doubtful, sure, changeable)
6
vague(clear, plain, definite)
6
undefined(clear, obscure, doubtful, vague)
5
ambiguous(clear, obscure, plain, doubtful)
5
amorphous(character, shape, distinct)
5
dark
5
imprecise(obscure, doubtful)
5
indeterminate(obscure, uncertain, doubtful, vague)
5
unclear(clear, obscure, doubtful)
4
indistinct(obscure, plain, doubtful, ambiguous)
4
inexact(obscure, doubtful)
4
doubtful(obscure, unclear, questionable)
4
dubious(clear, honest, doubtful, vague)
4
equivocal(clear, obscure, uncertain, doubtful)
4
obscure
4
unfixed(obscure, doubtful)
4
unlimited(obscure, limited, doubtful, little)
3
general(inexact, approximate)
3
indecisive(uncertain, indefinite)
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APASmart Define. (2016). definite thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/definite/thesaurus/antonyms
ChicagoSmart Define. 2016. "definite thesaurus" https://smartdefine.org/definite/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, definite thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/definite/thesaurus/antonyms>.
MLASmart Define. "definite thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/definite/thesaurus/antonyms>