3
unrecognizable(adjective, indistinct)
2
all one(verb, phrasal verb, equality)
2
all the same(expression, idiom, equality)
2
analogous(adjective, like, equal, even, similar)
2
assonant(adjective, uniform)
2
blear
2
cloudy(adjective, obscure, vague, unclear, hazy)
2
consonant(adjective, like, uniform, identical, interchangeable)
2
convertible(adjective, like, equal, similar, identical)
2
double(adjective, like, exact, equal, even)
2
drab(adjective, pale, bland, monotonous, neutral)
2
dull(adjective, monotonous, neutral, colorless, expressionless)
2
equivocal(unclear, indistinct)
2
even(adjective, like, equal, uniform, similar)
2
exactly alike(expression, idiom)
2
filmy
2
formless(unclear, indistinct)
2
imponderable(adjective, knowledge, imperceptible)
2
imprecise(adjective, unclear, hazy, indistinct, indeterminate)
2
indistinctive(adjective, neutral)
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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>