lost

01: To be unsuccessful in retaining possession of; mislay: He's always losing his car keys. 1.To be deprived of (something one has had): lost her art collection in the fire; lost her job. 2.To be left alone or desolate because of the death of: lost his wife. 3.To be unable to keep alive: a doctor who has lost very few patients. 4.To be unable to keep control or allegiance of: lost his temper at the meeting; is losing supporters by changing his mind. 5.To fail to win; fail in: lost the game; lost the court case. 6.To fail to use or take advantage of: Don't lose a chance to improve your position. 7.To fail to hear, see, or understand: We lost the plane in the fog. I lost her when she started speaking about thermodynamics. 02: To let (oneself) become unable to find the way. To remove (oneself), as from everyday reality into a fantasy world. 8.To rid oneself of: lost five pounds. 9.To consume aimlessly; waste: lost a week in idle occupations. 10.To wander from or become ignorant of: lose one's way. 11. To elude or outdistance: lost their pursuers. 12. To be outdistanced by: chased the thieves but lost them. 13.To become slow by (a specified amount of time). Used of a timepiece. 14.To cause or result in the loss of: Failure to reply to the advertisement lost her the job. 15.To cause to be destroyed. Usually used in the passive: Both planes were lost in the crash. 16.To cause to be damned.