from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The diffused light from the sky during the early evening or early morning when the sun is below the horizon and its light is refracted by the earth's atmosphere.
- n. The time of the day when the sun is just below the horizon, especially the period between sunset and dark.
- n. Dim or diffused illumination.
- n. A period or condition of decline following growth, glory, or success: in the twilight of his life.
- n. A state of ambiguity or obscurity.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The soft light in the sky seen before the rising and (especially) after the setting of the sun, occasioned by the illumination of the earth’s atmosphere by the direct rays of the sun and their reflection on the earth.
- n. The time when this light is visible; the period between daylight and darkness.
- n. Any faint light through which something is seen; an in-between or fading condition.
- adj. Pertaining to or resembling twilight.
from the GNU version of the Collaborative International Dictionary of English
- n. The light perceived before the rising, and after the setting, of the sun, or when the sun is less than 18° below the horizon, occasioned by the illumination of the earth's atmosphere by the direct rays of the sun and their reflection on the earth.
- n. faint light; a dubious or uncertain medium through which anything is viewed.
- adj. Seen or done by twilight.
- adj. Imperfectly illuminated; shaded; obscure.
from The Century Dictionary and Cyclopedia
- n. The light from the sky when the sun is below the horizon at morning and evening.
- n. Hence, any faint light; partial darkness; shade.
- n. Figuratively, an indistinct medium of perception; also, a state of faint or hazy mental illumination.
- Bolonging, pertaining, or peculiar to twilight; seen by twilight; crepuscular, as a hat or moth.
- Faintly illuminated; shady; dim; obscure: either literally or figuratively.
- To illuminate faintly or dimly.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. lighted by or as if by twilight
- n. a condition of decline following successes
- n. the time of day immediately following sunset
- n. the diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth
Middle English twilighte : Old English twi-, two, half; see dwo- in Indo-European roots + Old English līht, light; see light1.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English twilight, twyelyghte, from Old English twēonelēoht ("twilight"), equivalent to twi- (“double, half-”) + light, literally ‘second light, half-light’. Cognate to Scots twa licht, twylicht, twielicht ("twilight"), Low German twilecht, twelecht ("twilight"), Dutch tweelicht ("twilight, dusk"), German Zwielicht ("twilight, dusk"). (Wiktionary)