indiscernible
adjectiveDifficult or impossible to discern or perceive; imperceptible.
Not discernible; incapable of being discerned; not visible or perceptible.
nounThat which is not discernible.
adjectiveNot to be discerned; imperceptible; not discoverable or visible.
adjectiveNot capable of being
Not capable of being
Something which is incapable of being discerned.
adjectivebarely able to be perceived
adjectivedifficult or impossible to perceive or discern