2. (noun)stain (microscopy) a dye or other coloring material that is used in microscopy to make structures visible Synonyms: smear, discoloration, grease, dirt, spot, discolouration, grunge, blot, smirch, soil, mark, filth, stigma, grime, brand
3. (noun)dirt, filth, grime, soil, stain, grease, grunge the state of being covered with unclean things Synonyms: land, territory, soil, spot, mark, grunge, filthiness, skank, discolouration, lubricating oil, grease, obscenity, discoloration, brand, foulness, ground, vulgarism, shit, dirty word, grime, stigma, scandal, crap, smear, shite, turd, dirt, smut, filth, malicious gossip, nastiness, smirch, stain, poop, crud, blot
4. (noun)mark, stigma, brand, stain a symbol of disgrace or infamy Synonyms: marking, soil, spot, mark, sucker, gull, steel, firebrand, target, crisscross, fall guy, grease, mug, score, discoloration, sign, make, brand, grade, smear, chump, dirt, grime, stigma, stain, home run, marque, scratch, discolouration, brand name, filth, patsy, blade, grunge, fool, trade name, smirch, scrape, cross, print, scar, bell ringer, sword, bull's eye, marker, soft touch, blot
5. (verb)blot, smear, smirch, spot, stain an act that brings discredit to the person who does it Synonyms: vilification, billet, berth, blot, place, spot, mark, grunge, touch, dapple, discolouration, post, grease, spotlight, topographic point, point, bit, brand, position, smear, cytosmear, grime, stigma, fleck, slur, dirt, maculation, daub, speckle, malignment, smudge, filth, discoloration, smirch, situation, office, stain, soil, pip, cytologic smear, patch
6. (verb)stain color with a liquid dye or tint Synonyms: defile, sully, maculate, tarnish
7. (verb)stain produce or leave stains Synonyms: defile, sully, maculate, tarnish
8. (verb)tarnish, stain, maculate, sully, defile make dirty or spotty, as by exposure to air; also used metaphorically Synonyms: calumniate, maculate, asperse, tarnish, smear, denigrate, slander, defile, corrupt, sully, stain, besmirch, smirch, defame, foul, taint, cloud, befoul
9. (verb)stain color for microscopic study Synonyms: defile, sully, maculate, tarnish
Synonyms, Thesaurus & Antonyms of 'stain'
English Synonyms and Antonyms
1. stain Whatever mars the beauty or completeness of an object is a blemish, whether original, as squinting eyes, or the result of accident or disease, etc., as the pits of smallpox. A blemish is superfic Synonyms: blemish, blot, defacement, disgrace, injury, spot, blur, defect, dishonor, reproach, stain, brand, deformity, fault, smirch, stigma, crack, dent, flaw, soil, taint, daub, disfigurement, imperfection, speck, tarnish
Synonyms for stain 
