Relating to or characterized by slander or false accusations.

मानहानिकारक

English Usage: The calumniatory remarks made against her damaged her reputation significantly.

Hindi Usage: उसके खिलाफ किए गए मानहानिकारक टिप्पणी ने उसकी प्रतिष्ठा को काफी नुकसान पहुंचाया।