(literary) Darkness; the absence of light. / The state of being unknown; a thing that is unknown. / The quality of being difficult to understand; a thing that is difficult to understand.

The state of being obscured. / A unit of measurement used in particular for smoke detectors which respond to absorption of light by smoke, in percent absorption per unit length, e.g. % obs/ft, % obs/m.

One who acts to confound or obfuscate; an obscurantist. / A person who seeks to prevent or hinder enquiry and the advancement of knowledge or wisdom; an agent of endarkenment.

Acting or tending to confound, obfuscate, or obscure. / Typical of or pertaining to obscurants; obscurantic; obscurantistic.

plural of obscurity

(transitive) To obscure.

One who, or that which, obscures.

comparative form of obscure: more obscure

plural of obscuration

plural of obscurant