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Thesaurus: crepuscular

Alt. of Crepusculous

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  1. a. Alt. of Crepusculous
  2. adj. like twilight; dim
  3. 1. Pertaining to twilight; glimmering; hence, imperfectly clear or luminous. This semihistorical and crepuscular period. Sir G. C. Lewis. 2. (Zoöl.) Flying in the twilight or evening, or before sunrise; -- said certain birds and insects. Others feed only in the twilight, as bats and owls, and are called crepuscular. Whewell.
  4. j:100 s. like twilight; dim