Apa itu smear? Apa itu smear? To spread or daub with a sticky, greasy, or dirty substance.To apply by spreading or daubing: smeared suntan lotion on my face and arms. To stain by or as if by spreading or daubing with a sticky, greasy, or dirty substance. To stain or attempt to destroy the reputation of; vilify: political enemies who smeared his name. Slang To defeat utterly; smash.To be or become stained or dirtied.A mark made by smearing; a spot or blot.A substance to be spread on a surface.Biology A sample, as of blood or bacterial cells, spread on a slide for microscopic examination or on the surface of a culture medium.Vilification or slander.A vilifying or slanderous remark.