Despair or self-abandonment: a state of giving up, acting recklessly out of hopelessness or frustration.
失業して自暴自棄になり、毎晩飲み歩くようになった。
After losing his job he fell into despair and started drinking every night.
試験で失敗して自暴自棄に陥るのは早計だ。次に向けて計画を立てよう。
It's premature to fall into despair after failing an exam. Let's make a plan for the next attempt.
彼の自暴自棄な言動に家族が心配している。
His family's worried about his reckless, despair-driven behavior.