6
inexact(adjective, weak, obscure, rough, dark)
6
misty(adjective, unclear, hazy, blurry)
6
weak(adjective, dull, soft, gentle, dark)
5
ambiguous(adjective, weak, obscure, rough, dark)
5
clouded(adjective, fuzzy)
5
cloudy(adjective, dull, rough, dark, gloomy)
5
feeble(adjective, weak, pale, faded)
5
general(adjective, rough, vague, unknown, unclear)
5
indeterminate(adjective, weak, obscure, rough, dark)
5
indiscernible
5
murky(adjective, dull, weak, obscure, dark)
5
undefined(adjective, weak, obscure, dark, dim)
4
dull(adjective, weak, soft, gentle, dark)
4
loose(adjective, rough, vague, unknown, unclear)
3
bleary(adjective, dull, rough, dark, gloomy)
3
broad(adjective, vague, unknown, general, unclear)
3
faded(adjective, dull, weak, soft, gentle)
3
faltering(adjective, weak, pale, faded)
3
filmy
3
inaccurate(adjective, rough, loose, vague, inexact)
11 years ago|4.1k views|share |citing 
APASmart Define. (2015). ill-defined thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ill-defined/thesaurus/synonyms
ChicagoSmart Define. 2015. "ill-defined thesaurus" https://smartdefine.org/ill-defined/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, ill-defined thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ill-defined/thesaurus/synonyms>.
MLASmart Define. "ill-defined thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/ill-defined/thesaurus/synonyms>