Word Study
indiscernible
CIDE DICTIONARY
indiscernible, a. [Pref. in- not + discernible: cf. F. indiscernable.].
Not to be discerned; imperceptible; not discoverable or visible. [1913 Webster]
"Secret and indiscernible ways."
OXFORD DICTIONARY
indiscernible, adj. that cannot be discerned or distinguished from another.
Derivative
indiscernibility n. indiscernibly adv.
THESAURUS
indiscernible
alike, atomic, behind the curtain, behind the scenes, camouflaged, concealed, corpuscular, disguised, embryonic, evanescent, germinal, granular, hidden, impalpable, imperceptible, imponderable, inappreciable, indistinct, indistinctive, indistinguishable, infinitesimal, insensible, intangible, interchangeable, invisible, latent, microcosmic, microscopic, molecular, out of sight, secret, sightless, standard, stereotyped, subatomic, submerged, tenuous, thin, ultramicroscopic, unapparent, unappreciable, unbeheld, unbeholdable, undifferentiated, undiscernible, undiscriminated, undistinguishable, undistinguished, uniform, unnoticed, unobservable, unobserved, unperceivable, unperceived, unrealized, unseeable, unseen, unviewed, unwitnessed, viewless, without distinctionROGET THESAURUS
indiscernible
Invisibility
N invisibility, invisibleness, nonappearance, imperceptibility, indistinctness, mystery, delitescence, concealment, latency, invisible, imperceptible, undiscernible, indiscernible, unapparent, non-apparent, out of sight, not in sight, a perte de vue, behind the scenes, behind the curtain, viewless, sightless, inconspicuous, unconspicuous, unseen &c (see), covert, eclipsed, under an eclipse, dim, mysterious, dark, obscure, confused, indistinct, indistinguishable, shadowy, indefinite, undefined, ill- defined, ill-marked, blurred, fuzzy, out of focus, misty, delitescent, hidden, obscured, covered, veiled (concealed), full many a flower is born to blush unseen.For further exploring for "indiscernible" in Webster Dictionary Online