Alternative form of 悔しい

a feeling, sensation, feelings / a state of mind, mood / mood of a place; atmosphere / a little, a bit / feeling depending on a physical condition

(sports) match, game

(informal) to have "won" a match on a psychological or personal level despite losing to all appearances

(intransitive) to lose; to be defeated / (transitive) to lower in price

to lose

singles (in tennis)

(Internet slang) complaint; grumble

(chiefly predicative) sick, having an urge to vomit / disgusting, repulsive / Used other than figuratively or idiomatically: see 気持ち, 悪い. ("feeling bad; in a bad mood")

Literally: In victory you are the government army, in defeat you are the rebel army. Might makes right.