痛苦的近义词是伤心吗

不是，近义词: painful 

adj. 痛苦的；疼痛的；令人不快的
He died a slow and painful death.

他缓慢而痛苦地死去。

It is devilishly painful.

那真是太痛苦了。

Her glands were swollen and painful.

她的腺体肿胀且疼痛。

It was a painful and unpopular decision.

这是一个痛苦且不受欢迎的决定。

Jealousy causes distress and painful emotions.

嫉妒会引发悲伤和痛苦的情绪。