Crepuscular

Pronunciation

• UK IPA: /kɹɪˈpÊŒskjÊŠlÉ™/
• US IPA: /kɹəˈpÊŒskjÉ™ləɹ/

Origin

From Latin crepusculum + -ar.

Full definition of crepuscular

Adjective

1. Of or resembling twilight; dim.
2. (zoology) Active at or around dusk, dawn or twilight.
• 1999, J. Anne Helgren, Communicating with Your Cat, page 51, ISBN 0764108557That's why cats are crepuscular — most active at dawn and dusk — because mice and rats forage for food during these hours when fewer of their natural enemies are around.

Synonyms

• twilightish

Coordinate terms

• diurnal
• nocturnal