The Collaborative International Dictionary
Indiscernibly
Indiscernible \In`dis*cern"i*ble\, a. [Pref. in- not + discernible: cf. F. indiscernable.] Not to be discerned; imperceptible; not discoverable or visible.
Secret and indiscernible ways.
--Jer. Taylor.
-- In`dis*cern"i*ble*ness, n. -- In`dis*cern"i*bly, adv.
Wiktionary
indiscernibly
adv. In a way that cannot be discerned.
Usage examples of "indiscernibly".
There was a rattle of metal, the scratch of a match, and suddenly there was light: almost indiscernibly faint, but light just the same.