indiscernible
- a difficult or impossible to perceive or discern
an indiscernible increase in temperature - s barely able to be perceived
the transition was almost indiscernible
- With his giant brown eyes, lanky frame and indiscernible ethnicity (he's Jewish), he is a relatable foil for shiny robots and iconic heroes.
- Walking our bikes up over the low hills took no more than half an hour and then, at what was to me an indiscernible spot on the trail, the preacher's wife turned into the bush.
- They're worried that video rsums will invite lawsuits by candidates who could claim bias based on race, gender or age--indiscernible on paper but not on video.