smear

American Heritage® Dictionary of the English Language, Fourth Edition

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

Century Dictionary and Cyclopedia

1. n. Fat; grease; ointment.
2. n. A spot, blotch, or stain made by, or as if by, some unctuous substanee rubbed upon a surface.
3. n. In sugar manufacturing, the technical term for fermentation.
4. n. In pottery, a mixture of glazing materials in water, used for coating articles before they are placed in the saggars of the glazing-furnace.
5. To overspread with ointment; anoint.
6. To overspread thickly, irregularly, or in blotches with anything unctuous, viscous, or adhesive; besmear; daub.
7. To overspread too thickly, especially to the violation of good taste; paint, or otherwise adorn with something applied to a surface, in a way that is overdone or tawdry.
8. To soil; contaminate; pollute.
9. Synonyms To bedaub, begrime.
10. To tarnish, sully.
11. n. The soft, semi-fluid mud of calcium sulphate left in the generators when whiting and sulphuric acid were used to produce carbon-dioxid gas in the manufacture of aërated waters.
12. n. In bacteriology, a preparation of bacteria for microscopical examination made by smearing the organisms upon a slide or cover-glass. Also called spread. See culture.
13. To give a gloss to (pottery or stoneware) without glazing, as by putting a volatile flux or glazing preparation in the kiln or in the saggar with the ware. See smearglaze and smearing.

Wiktionary

1. v. transitive To spread (a substance, especially one that colours or is dirty) across a surface by rubbing.
2. v. transitive To have a substance smeared on (a surface).
3. v. transitive To damage someone's reputation by slandering, misrepresenting, or otherwise making false accusations about an individual, their statements, or their actions.
4. v. intransitive To become spread by smearing.
5. n. A mark made by smearing.
6. n. medicine A Pap smear.
7. n. A false attack.

GNU Webster's 1913

1. v. To overspread with anything unctuous, viscous, or adhesive; to daub.
2. v. To soil in any way; to contaminate; to pollute; to stain morally.
3. v. To smudge, blur, or render indistinct (writing, pictures, etc.).
4. v. to vilify (a person); to damage (a person's reputation), especially falsely or by unfair innuendo, and with malicious intent.
5. n. A fat, oily substance; oinment.
6. n. Hence, a spot made by, or as by, an unctuous or adhesive substance; a blot or blotch; a daub; a stain.

WordNet 3.0

1. v. cover (a surface) by smearing (a substance) over it
2. v. make a smudge on; soil by smudging
3. n. a blemish made by dirt
4. v. charge falsely or with malicious intent; attack the good name and reputation of someone
5. v. stain by smearing or daubing with a dirty substance
6. n. slanderous defamation
7. n. an act that brings discredit to the person who does it
8. n. a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope