- 1[uncountable] the state in which someone or something is not well known or has been forgotten The actress was only 17 when she was plucked from obscurity and made a star. He spent most of his life working in obscurity.
- 2[uncountable, countable, usually plural] the quality of being difficult to understand; something that is difficult to understand The course teaches students to avoid ambiguity and obscurity of expression. a speech full of obscurities
- 3[uncountable] (literary) the state of being dark; darkness