Definition of lose
1a
: 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 (King James Version)
2
: to miss from one's possession or from a customary or supposed place
lost his glove
3
: to suffer deprivation of : part with especially in an unforeseen or accidental manner
lost his leg in an auto accident
4a
: to suffer loss through the death or removal of or final separation from (a person)
lost a son in the war
b
: to fail to keep control of orallegiance (see allegiance sense 2) of
lose votes lost his temper
5a
: 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
8a
: 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: to make (oneself) withdrawn from immediate reality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
9a
: 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
lost the thief in the crowded street
11
: to free oneself from : get rid of
dieting to lose weight
1
: to undergo deprivation of something of value
investors lost heavily
2
: to undergo defeat
lose with good grace
3
of a timepiece
: to run slow
lose ground
lose it
lose one's heart
: to suffer loss or disadvantage : fail to advance or improve
1
: to fail to maintain a hold on reality
also
: to go crazy
2
: to become overwhelmed with strong emotion : lose one's composure
so angry I almost lost it
: to fall in love
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Merriam-Webster unabridged
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Time Traveler for lose
The first known use of lose was before the 12th century
See more words from the same century