5
unclear
4
blurry
4
dim
4
hazy
4
imponderable(adjective, knowledge, imperceptible)
4
inaudible(adjective, unclear, subtle, hazy, imperceptible)
4
unapparent(adjective, invisible)
4
unseen(adjective, obscure, dark, unknown, hidden)
3
disguised
3
dull
3
fuzzy
3
impenetrable(adjective, incomprehensible)
3
inconspicuous
3
murky
3
obscured(adjective, invisible)
3
pale
3
shadowy(adjective, obscure, dark, unknown, subtle)
3
sightless
3
unperceivable
3
viewless
11 years ago|8.5k views|share |citing 
APASmart Define. (2015). indiscernible thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/indiscernible/thesaurus/synonyms
ChicagoSmart Define. 2015. "indiscernible thesaurus" https://smartdefine.org/indiscernible/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, indiscernible thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/indiscernible/thesaurus/synonyms>.
MLASmart Define. "indiscernible thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/indiscernible/thesaurus/synonyms>