You know that he must have been a tormented genius, or one for whom everything clicked as tidily as a safety pin.
The swarthy, slender, tidily groomed ex-AT&T salesman from Oklahoma appeared calm as the verdicts were read.
mid-13c., probably originally "in season, timely, opportune, excellent," from tide in the sense of "season, time" (see tide). Cf. Old High German zitig, German zeitig, Dutch tijdig, Danish tidig "timely." Meaning "neat and in order" first recorded 1706.
"to make neat, set in order," 1821, from tidy (adj.). Related: Tidied; tidying.