Definitions

1. noun

A person who speaks ill of someone behind their back, often in a covert or insidious manner.

“The rumors about the company’s financial struggles were spread by a backbiter who wanted to bring it down.”

2. verb

To speak ill of someone behind their back.

“He was accused of backbiting his former colleagues after they hired him.”

3. verb (transitive)

To criticize or speak ill of someone behind their back.

“The politician was criticized for backbiting his opponent during the debate.”