noun, noun or participle which takes 'suru'
self-justification; excuse
Refers to justifying one's own actions or making excuses for oneself. Often used in contexts where someone is defending their behavior or decisions.
彼は遅刻の理由を自己弁護した。
He justified his lateness.
自己弁護ばかりしていると、周りから信頼されなくなる。
If you keep making excuses for yourself, people will stop trusting you.