get depressed
become depressed

One could, however, spend only so much time in the company of a dead pig without becoming depressed.

He became depressed and decided that doing a comedy might be good for him.

Due to this, she became depressed and tried to kill herself.

He became depressed and didn't fight for almost six months.

The parents became depressed and thought their child was a failure.

He became depressed and tried to overcome his depression through a change of environment.

While attending university, he became depressed, and tried to kill himself.

Due to recent events, he had become depressed and couldn't see a future for himself.

She hadn't wanted to go home earlier, for fear of becoming depressed.

After living like that for a while, I became depressed and lost a lot of weight.