Obscurity is a progressive rock ROIO by Pink Floyd. This double disc set which was recorded at the Case Western Reserve University, Cleveland on November 6th 1971, was part of the American leg of the Meddle album tour. It features the longest ever version of the bands never official released track, "Embryo".

The quality or state of being obscure.

the quality of being unclear or abstruse and hard to understand

the state of being indistinct or indefinite for lack of adequate illumination

an obscure and unimportant standing; not well known; "he worked in obscurity for many years"