Downtime

Noun

 * 1) The amount of time lost due to forces beyond one's control, as with a computer crash.

Thesaurus
break, breath, breather, breathing place, breathing space, breathing spell, breathing time, cigarette break, cocktail hour, coffee break, enforced respite, half time, half-time intermission, halt, happy hour, holiday, interim, interlude, intermezzo, intermission, intermittence, interregnum, interruption, interval, letup, lull, off-time, pause, plateau, point of repose, quiet spell, recess, relief, respite, rest, resting point, spell, stay, surcease, suspension, tea break, time off, time out, vacation

Etymology
down + time

Translations

 * Bulgarian: престой
 * French: temps d'arrêt


 * German: Ausfallzeit
 * Swedish: avbrottstid