Part of speech:
(Informal) Anything regarded as like a streak of lightning in speed, vividness, etc.
Instantaneous illumination for photography:
A flash of light in the sky caused by an electrical discharge between clouds or between a cloud and the Earth's surface. The flash heats the air and usually causes thunder. Lightning may appear as a jagged streak, as a bright sheet, or in rare cases, as a glowing red ball.
A ray or flash of light:
Find another word for greased-lightning. In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for greased-lightning, like: blue streak, flash, lightning and streak.