7 letters · 12 points in Scrabble
noun an event (or the result of an event) that completely destroys something
noun a spill in some sport (as a fall from a bicycle or while skiing or being capsized on a surfboard)
originEtymology tree English wipe outdeverb. English wipeout Deverbal from wipe out.
Etymology from Wiktionary, CC BY-SA 3.0