(n)smear, cytologic smear, cytosmeara thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope
(v)defame, slander, smirch, asperse, denigrate, calumniate, smear, sully, besmirchcharge falsely or with malicious intent; attack the good name and reputation of someone“The journalists have defamed me!”, “The article in the paper sullied my reputation”