From Longman Dictionary of Contemporary Englishduskdusk /dʌsk/ ●○○ noun [uncountable] TMCBRIGHTthe time before it gets dark when the sky is becoming less bright SYN twilight, → dawn, dusk The street lights go on at dusk.
Examples from the Corpus
dusk• More than a dozen boats bobbed against the docks, their hulls restless in the approaching dusk.• At dusk, passing through the countryside, everything was slowing down for the night.• Then by dusk it appears as if snowstorms are blotting out the distant views.• On and on they flew until day turned into dusk and they reached the big supermarket on the edge of the town.• At daybreak or dusk, the pyramids most resemble the limestone monuments seen by the old explorers.• Her face seemed to glow in the dusk.• Nutty arrived on time, thudding out of the dusk and pulling to an abrupt halt.• It was dusk, it was close to night, though the light lingered tauntingly, and with it the noise.Origin dusk Old English dox 