speak ill of

To vilify; to defame; to criticize.

Japanese Meaning

中傷する / 誹謗する / 悪口を言う / 非難する

It's unkind to speak ill of someone behind their back when you don't know the whole story.

事情を十分に知らないのに、誰かのことを陰で中傷するのは良くない。

Sense（1）

To vilify; to defame; to criticize.

speaks ill of

（ present singular third-person ）

speaking ill of

（ participle present ）

spoke ill of

（ past ）

ill of

（ colloquial participle past ）