| Lightning 1. (n.) A discharge of atmospheric electricity, accompanied by a vivid flash of light, commonly from one cloud to another, sometimes from a cloud to the earth. The sound produced by the electricity in passing rapidly through the atmosphere constitutes thunder. 2. (n.) The act of making bright, or the state of being made bright; enlightenment; brightening, as of the mental powers. 3. (vb. n.) Lightening. Thesaurus Entries Jupiter Fulgur, Thor, antelope, arrow, ball lightning, blue darter, blue streak, bolt, bolt of lightning, cannonball, chain lightning, courser, dark lightning, dart, eagle, electricity, express train, fireball, firebolt, flash, flying flame, forked lightning, fulguration, fulmination, gazelle, greased lightning, greyhound, hare, jet plane, levin bolt, light, mercury, oak-cleaving thunderbolts, quicksilver, rocket, scared rabbit, sheet lightning, shot, streak, streak of lightning, striped snake, stroke of lightning, swallow, thought, thunderball, thunderbolt, thunderstroke, torrent, wind |