ichidan verb
finish saying; say all of
Used when someone completes an utterance, often after hesitation or when the full statement is important.
彼は最後まで言い終えることができなかった。
He couldn't finish saying what he wanted to say.
言いたいことを全部言い終えたら、すっきりし
After I finished saying everything I wanted to say, I felt relieved.