Etymology: Middle English, from Old English losian to perish, lose, from los destruction; akin to Old English lēosan to lose; akin to Old Norse losa to loosen, Latin luere to atone for, Greek lyein to loosen, dissolve, destroy
Date: before 12th century
transitive verb1 a: to bring to destruction —used chiefly in passive construction <the ship was lost on the reef>b:damn<if he shall gain the whole world and lose his own soul — Matthew 16:26(Authorized Version)> 2: to miss from one's possession or from a customary or supposed place 3: to suffer deprivation of : part with especially in an unforeseen or accidental manner 4 a: to suffer loss through the death or removal of or final separation from (a person) b: to fail to keep control of or allegiance of <lose votes><lost his temper> 5 a: to fail to use : let slip by :waste<no time to lose>b (1): to fail to win, gain, or obtain <lose a prize><lose a contest>(2): to undergo defeat in <lost every battle>c: to fail to catch with the senses or the mind <lost what she said> 6: to cause the loss of 7: to fail to keep, sustain, or maintain <lost my balance> 8 a: to cause to miss one's way or bearings <lost himself in the maze of streets>b: to make (oneself) withdrawn from immediate reality <lost herself in daydreaming> 9 a: to wander or go astray from <lost his way>b: to draw away from :outstrip<lost his pursuers> 10: to fail to keep in sight or in mind 11: to free oneself from : get rid of <dieting to lose weight> 12slang:regurgitate, vomit —often used in such phrases as lose one's lunchintransitive verb1: to undergo deprivation of something of value 2: to undergo defeat <lose with good grace> 3of a timepiece: to run slow
— los·able\ˈlü-zə-bəl\adjective
— los·able·nessnoun
— lose ground: to suffer loss or disadvantage : fail to advance or improve
— lose it1: to lose touch with reality; also: to go crazy 2: to become overwhelmed with strong emotion : lose one's composure <so angry I almost lost it>