0 a person who slanders someone (= damages their reputation by making a false spoken statement about them): --
For if you punish the slanderer, you deter the fair inquirer.
Eustorgius was also asked to judge the slanderers.
Even so must their wives be grave, not slanderers, sober, faithful in all things.
And the subordinates and subalterns will be there to rebuke their slanderers and traducers.
I do not think that even the most malignant slanderer of birds has ever had a word to say against the beneficent activities of the lapwing.
Yet that is the last thing slanderers would utter.
In many detainees' view, men who confessed were slanderers.
Knowing that the accusations were untrue, he did not consider it necessary to respond to his slanderer.
