crepuscular

• POS: Adjective
• HYPHEN: cre=pus=cu=lar

CIDE DICTIONARY

crepuscular, a. [Cf. F. crépusculaire.].

•  Pertaining to twilight; glimmering; hence, imperfectly clear or luminous.  [1913 Webster]

  "This semihistorical and crepuscular period."  [1913 Webster]
•  Flying in the twilight or evening, or before sunrise; -- said certain birds and insects.  [1913 Webster]

  "Others feed only in the twilight, as bats and owls, and are called crepuscular."  [1913 Webster]

OXFORD DICTIONARY

crepuscular, adj.
1 a of twilight. b dim.
2 Zool. appearing or active in twilight.

Etymology

L crepusculum twilight

ROGET THESAURUS

crepuscular

Dimness

N dimness, darkness, paleness, half light, demi-jour, partial shadow, partial eclipse, shadow of a shade, glimmer, gliming, nebulosity, cloud, eclipse, aurora, dusk, twilight, shades of evening, crepuscule, cockshut time, break of day, daybreak, dawn, moonlight, moonbeam, moonglade, moonshine, starlight, owl's light, candlelight, rushlight, firelight, farthing candle, dim, dull, lackluster, dingy, darkish, shorn of its beams, dark, faint, shadowed forth, glassy, cloudy, misty, blear, muggy, fuliginous, nebulous, nebular, obnubilated, overcast, crepuscular, muddy, lurid, leaden, dun, dirty, looming, pale, confused.