to come to be without (something in one's possession or care), through accident, theft, etc., so that there is little or no prospect of recovery: I'm sure I've merely misplaced my hat, not lost it.
2.
to fail inadvertently to retain (something) in such a way that it cannot be immediately recovered: I just lost a dime under this sofa.
3.
to suffer the deprivation of: to lose one's job; to lose one's life.
4.
to be bereaved of by death: to lose a sister.
5.
to fail to keep, preserve, or maintain: to lose one's balance; to lose one's figure.
6.
(of a clock or watch) to run slower by: The watch loses three minutes a day.
7.
to give up; forfeit the possession of: to lose a fortune at the gaming table.
8.
to get rid of: to lose one's fear of the dark; to lose weight.
9.
to bring to destruction or ruin (usually used passively): Ship and crew were lost.
10.
to condemn to hell; damn.
11.
to have slip from sight, hearing, attention, etc.: to lose him in the crowd.
12.
to stray from or become ignorant of (one's way, directions, etc.): to lose one's bearings.
13.
to leave far behind in a pursuit, race, etc.; outstrip: She managed to lose the other runners on the final lap of the race.
14.
to use to no purpose; waste: to lose time in waiting.
15.
to fail to have, get, catch, etc.; miss: to lose a bargain.
16.
to fail to win (a prize, stake, etc.): to lose a bet.
17.
to be defeated in (a game, lawsuit, battle, etc.): He has lost very few cases in his career as a lawyer.
18.
to cause the loss of: The delay lost the battle for them.
19.
to let (oneself) go astray, miss the way, etc.: We lost ourselves in the woods.
20.
to allow (oneself) to become absorbed or engrossed in something and oblivious to all else: I had lost myself in thought.
21.
(of a physician) to fail to preserve the life of (a patient).
22.
(of a woman) to fail to be delivered of (a live baby) because of miscarriage, complications in childbirth, etc.
–verb (used without object)
23.
to suffer loss: to lose on a contract.
24.
to suffer defeat or fail to win, as in a contest, race, or game: We played well, but we lost.
25.
to depreciate in effectiveness or in some other essential quality: a classic that loses in translation.
26.
(of a clock, watch, etc.) to run slow.
—Verb phrase
27.
lose out, to suffer defeat or loss; fail to obtain something desired: He got through the preliminaries, but lost out in the finals.
Lose\, v. t. [imp. & p. p. Losing.] [OE. losien to loose, be lost, lose, AS. losian to become loose; akin to OE. leosen to lose, p. p. loren, lorn, AS. le['o]san, p. p. loren (in comp.), D. verliezen, G. verlieren, Dan. forlise, Sw. f["o]rlisa, f["o]rlora, Goth. fraliusan, also to E. loose, a & v., L. luere to loose, Gr. ?, Skr. l? to cut. [root]127. Cf. Analysis, Palsy, Solve, Forlorn, Leasing, Loose, Loss.]1. To part with unintentionally or unwillingly, as by accident, misfortune, negligence, penalty, forfeit, etc.; to be deprived of; as, to lose money from one's purse or pocket, or in business or gaming; to lose an arm or a leg by amputation; to lose men in battle. Fair Venus wept the sad disaster Of having lost her favorite dove. --Prior. 2. To cease to have; to possess no longer; to suffer diminution of; as, to lose one's relish for anything; to lose one's health. If the salt hath lost his savor, wherewith shall it be salted ? --Matt. v. 13. 3. Not to employ; to employ ineffectually; to throw away; to waste; to squander; as, to lose a day; to lose the benefits of instruction. The unhappy have but hours, and these they lose. --Dryden. 4. To wander from; to miss, so as not to be able to and; to go astray from; as, to lose one's way. He hath lost his fellows. --Shak 5. To ruin; to destroy; as destroy; as, the ship was lost on the ledge. The woman that deliberates is lost. --Addison. 6. To be deprived of the view of; to cease to see or know the whereabouts of; as, he lost his companion in the crowd. Like following life thro' creatures you dissect, You lose it in the moment you detect. --Pope. 7. To fail to obtain or enjoy; to fail to gain or win; hence, to fail to catch with the mind or senses; to miss; as, I lost a part of what he said. He shall in no wise lose his reward. --Matt. x. 42. I fought the battle bravely which I lost, And lost it but to Macedonians. --Dryden. 8. To cause to part with; to deprive of. [R.] How should you go about to lose him a wife he loves with so much passion ? --Sir W. Temple. 9. To prevent from gaining or obtaining. O false heart ! thou hadst almost betrayed me to eternal flames, and lost me this glory. --Baxter. To lose ground, to fall behind; to suffer gradual loss or disadvantage. To lose heart, to lose courage; to become timid. "The mutineers lost heart." --Macaulay. To lose one's head, to be thrown off one's balance; to lose the use of one's good sense or judgment. In the excitement of such a discovery, many scholars lost their heads. --Whitney. To lose one's self. (a) To forget or mistake the bearing of surrounding objects; as, to lose one's self in a great city. (b) To have the perceptive and rational power temporarily suspended; as, we lose ourselves in sleep. To lose sight of. (a) To cease to see; as, to lose sight of the land. (b) To overlook; to forget; to fail to perceive; as, he lost sight of the issue.