indiscernible
adjective
[ ˌɪndɪˈsəːnɪb(ə)l ]
• impossible to see or clearly distinguish.
• "an indiscernible shape among the shadows"
Similar:
unnoticeable,
imperceptible,
invisible,
undetectable,
indistinguishable,
unapparent,
inappreciable,
barely perceptible,
impalpable,
unobtrusive,
impossible to detect,
hidden,
tiny,
minute,
minuscule,
microscopic,
nanoscopic,
infinitesimal,
negligible,
inconsequential,
slight,
subtle,
faint,
fine,
indistinct,
unclear,
fuzzy,
obscure,
vague,
indefinite,
nebulous,
amorphous,
shadowy,
dim,
hard to make out,
unintelligible,
incomprehensible,
hard to understand,
inaudible,
blear,