自殺する

to commit suicide

→ 自殺
phrase Rare #22,887
to commit suicide A serious, formal expression meaning to take one's own life. In Japanese, 自殺する literally means “to suicide,” but “to commit suicide” or “to take one's own life” is natural in English.
JA: 彼は自殺する前に、家族に手紙を書いた。
EN: Before taking his own life, he wrote a letter to his family.

これで自殺するだったのか

Were you planning to kill yourself with this?

— 最強のふたり (2011)

自殺する気はないのよ

I'm not planning to kill myself.

— ファイト・クラブ (1999)

俺なら自殺する

If it were me, I’d kill myself.

— 最強のふたり (2011)

これは自殺する女が書く手紙ではない

This is not a letter written by a woman who is about to kill herself.

— レベッカ (1940)

あなたが自殺するなら財産どうなりますか

If you commit suicide, what happens to your assets?

— お嬢さん (2016)

自殺する人が書く内容でしょうか

Is that the kind of thing someone who is going to kill themselves would write?

— レベッカ (1940)

自殺する理由があったのでしょうか

I wonder if there was a reason they took their own life?

— レベッカ (1940)

自殺するしかない

I have no choice but to kill myself.

— ラ・ラ・ランド (2016)

僕のせい君が自殺すると困るからね

I’d be in trouble if you killed yourself because of me.

— ジョジョ・ラビット (2019)