負

Colloquial

to be conceited; to be stuck up; to be full of oneself; to be cocky

Colloquial

"lucky" underwear (esp. panties), set aside for special dates

Colloquial

head-on fight; head-to-head contest; serious contest

a set of three bouts; three-game match; three-bout contest

(suffering a) decisive defeat; rout; thrashing; losing big

contest decided by a single round (bout); contest decided by a single roll of dice; one-shot game (contest); make-or-break game

competitive spirit; spirit of rivalry

three-game match; three-bout contest; a rubber (in a card game)

to lose a quarrel; to lose an argument; to be talked down

Sports

having more losses than wins

Baseball

loss of a game that was "called" by the umpire

Sports

straight-sets loss; straight-set defeat

Sports

loss of momentum or follow-through as a result of impact; getting knocked aside

to get excited; to rouse oneself; to psyche oneself up; to be eager (to do)

contest decided by a single round (bout); contest decided by a single roll of dice; one-shot game (contest); make-or-break game

being the only loser; losing by oneself

independent contractor

to defeat one's opponent

Proverb

he that fights and runs away may live to fight another day; sometimes you have to lose to win; losing is winning

being daunted (e.g. by an opponent); being cowed; being overawed

Sports

losing by decision (in combat sports); losing on points

unyielding spirit; indomitable spirit

Baseball

(losing the game to a) walk-off home run

aggregate amount of indebtedness