noun

An attack on the reputation or integrity of someone or something.

I don’t think anyone is casting aspersions on you

vilification,disparagement,denigration,defamation,defamation of character,abuse,vituperation,condemnation,criticism,censure,castigation,denunciation,flak,deprecation,opprobrium,obloquy,derogation,slander,revilement,reviling,calumny,calumniation,slurs,smears,execration,excoriation,lambasting,upbraiding,bad press,character assassination,attack,invective,libel,insults,slights,curses