noun
discontent and grumbling; complaints
A yojijukugo expressing a state of dissatisfaction accompanied by vocal complaints. Often used in set phrases like 不平不満を言う or 不平不満が募る.
彼はいつも不平不満ばかり言っている。
He is always grumbling and complaining.
不平不満が募って、ついに彼は会社を辞めた。
His discontent grew until he finally quit the company.
愚痴 refers to grumbling or complaining, often in a more personal or trivial context, whereas 不平不満 can imply a broader sense of discontent.
A yojijukugo combining 不平 (discontent) and 不満 (dissatisfaction), reinforcing the idea of persistent complaining.