150 entries under adjective topic. ×

18
indefinite(rough, uncertainty, uncertain, doubtful)
17
indistinct(obscure, rough, uncertainty, uncertain)
17
vague(weak, dark, uncertainty, uncertain)
14
indeterminate(weak, uncertainty, uncertain, doubtful)
12
undetermined(weak, obscure, dark, uncertain)
11
obscure(rough, uncertain, doubtful, dim)
10
inexact(weak, obscure, dark, uncertain)
10
unclear(weak, obscure, rough, dark)
10
unlimited(uncertain, vague, unknown, general)
9
ambiguous(weak, dark, uncertainty, uncertain)
9
limitless(infinite, boundless, unlimited, unbounded)
9
unspecified(uncertain, vague, unknown, unfixed)
8
amorphous(rough, disorganized, unformed, shapeless)
8
boundless(immense, infinite, unlimited, incomprehensible)
8
dim(weak, obscure, dark, doubtful)
8
uncertain(doubtful, vague, dubious, unknown)
7
hazy
7
indistinguishable(weak, obscure, dark, dim)
7
misty
7
shadowy(weak, obscure, dark, dim)
<123458>
11 years ago|8.4k views|share |citing 
APASmart Define. (2015). undefined thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/undefined/thesaurus/synonyms
ChicagoSmart Define. 2015. "undefined thesaurus" https://smartdefine.org/undefined/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, undefined thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/undefined/thesaurus/synonyms>.
MLASmart Define. "undefined thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/undefined/thesaurus/synonyms>