If ever he's brattish, And brutish and skittish, He's Scottish.
Three leaned bullish, three stood bearish—and all six were skittish.
Banks were just too skittish to loan out their new reserves.
early 15c., "very lively, frivolous," perhaps from Scandinavian base *skyt- (stem of Old Norse skjota "to shoot, launch, move quickly"), from PIE root *skeud- "to shoot, to chase, to throw, to project" (see shoot (v.)). Sense of "shy, nervous, apt to run" first recorded c.1500, of horses. Related: Skittishly; skittishness.