To despair; to experience reduced morale.

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

(idiomatic, US) To repeatedly fail in one's gambles or efforts.

(intransitive) To become less heavy or obese.

(idiomatic) To lose contact (with). / (idiomatic, UK) Alternative form of lose one's touch.

To be at a disadvantage. / (with 'to') To be defeated (by).

present participle of lose face

Third-person singular simple present indicative form of lose face

To forget one's train of thought or temporarily misplace an item or its place in a sequence.

present participle of lose track