7
blurry(adjective, vague, unclear, hazy, indistinct)
7
faint(adjective, obscure, vague, unclear, subtle)
7
fuzzy(adjective, vague, unclear, hazy, indistinct)
7
interchangeable(adjective, like, exact, equal, double)
7
pale(adjective, drab)
6
blurred(adjective, unclear, hazy, indistinct, indeterminate)
6
ill-defined(adjective, unclear, hazy, indistinct, blurry)
6
misty
6
selfsame(adjective, like, exact, equal, double)
6
shadowy(adjective, obscure, vague, unclear, subtle)
6
undefined(adjective, weak, obscure, dark, dim)
5
bleary(adjective, unclear, hazy, indistinct, blurry)
5
foggy
5
indiscriminate(random, indiscrimination)
4
undifferentiated(adjective, like, even, uniform, similar)
4
uniform(adjective, like, equal, even, uniform)
4
haphazard
4
identic(adjective, like, exact, spare, equal)
4
indeterminate(adjective, weak, obscure, dark, dim)
4
nebulous(adjective, unclear, hazy, indistinct, indeterminate)
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APASmart Define. (2015). indistinguishable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/indistinguishable/thesaurus/synonyms
ChicagoSmart Define. 2015. "indistinguishable thesaurus" https://smartdefine.org/indistinguishable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, indistinguishable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/indistinguishable/thesaurus/synonyms>.
MLASmart Define. "indistinguishable thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/indistinguishable/thesaurus/synonyms>