Third-person singular simple present indicative form of lose heart

(of a clock) to go slow and not keep accurate time. / (of a person etc.) to fall behind schedule.

(obsolete, idiomatic) To be defeated in a contest.

(intransitive) To become less heavy or obese.

It is important to do something immediately

Third-person singular simple present indicative form of lose time

To despair; to experience reduced morale.

(idiomatic) To lose the respect of others; to be humiliated or experience public disgrace.

present participle of win the battle, but lose the war

(idiomatic) To become frustrated, angry. / (idiomatic) To become crazy, insane.