calumniator

WordReference Random House Learner's Dictionary of American English © 2026

ca•lum•ni•ate /kəˈlʌmniˌeɪt/   v. [~ + object] , -at•ed, -at•ing. 

1. to make false and hurtful statements about (someone); slander.

ca•lum•ni•a•tion /kəˌlʌmniˈeɪʃən/  n. [uncountable]
ca•lum•ni•a•tor, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2026

ca•lum•ni•ate  (kə lum′nē āt′), v.t., -at•ed, -at•ing. 

1. to make false and malicious statements about;
   slander.

• Latin calumniātus (past participle of calumniārī to accuse falsely, trick), equivalent. to calumni(a) calumny + -ātus -ate¹
• 1545–55

ca•lum′ni•a′tion, n. 
ca•lum′ni•a′tor, n.