1. (v. t.) To rub hard; to wash with rubbing; usually, to rub with a wet brush, or with something coarse or rough, for the purpose of cleaning or brightening; as, to scrub a floor, a doorplate.

2. (v. i.) To rub anything hard, especially with a wet brush; to scour; hence, to be diligent and penurious; as, to scrub hard for a living.

3. (n.) One who labors hard and lives meanly; a mean fellow.

4. (n.) Something small and mean.

5. (n.) A worn-out brush.

6. (n.) A thicket or jungle, often specified by the name of the prevailing plant; as, oak scrub, palmetto scrub, etc.

7. (n.) One of the common live stock of a region of no particular breed or not of pure breed, esp. when inferior in size, etc.

8. (a.) Mean; dirty; contemptible; scrubby.

a nobody a nothing abandon ablate ablation ablution abort abrade abrase abrasion abrasive afforestation arboretum attrition baptize bark bath bathe belay boondocks bramble brier brier bush brush brushwood buff buffing burnishing bush bushveld call off cancel cease chafe chafing chase cipher cleaning out cleanse climax forest cloud forest common man cut it out dendrology desist detrition discontinue do away with douche douching dressing drop drop it dummy elution elutriation end enema erase erasure erode erosion figurehead file filing flush flush out flushing flushing out forest forest land forest preserve forestry fray frazzle fret fretting fringing forest gall gallery forest galling gargle give over give up gnaw gnaw away grate graze grazing greenwood grind grinding halt hanger have done with hold holystone index forest insignificancy irrigate irrigation jackstraw jungle jungles knock it off lather lathering launder lavabo lavage lavation lave laving lay off leave off lightweight limation little fellow little guy man of straw mediocrity mop mop up mopping mopping up national forest nebbish nobody one knows nonentity obscurity palmetto barrens park park forest pine barrens pip-squeak polish polishing poor relation primeval forest protection forest punk quit rain forest rasp rasping raze reforestation refrain relinquish renounce rinse rinse out rinsing ritually immerse rub rub away rub off rub out rubbing away runt sandblasting sanding scour scouring scrape scraping scratch scratching scrub up scrubbing scrubbing up scrubland scrubwood scuff secondary selection forest shampoo shining shower shrimp shrub shrubbery shrubland shrubwood silviculture skin sluice sluice out small fry small potato small potatoes smoothing soap soaping sponge sponging sprout forest squirt squit stand of timber state forest stay stop subaltern subordinate swab swabbing syringe terminate timber timberland toivel tree veld tub underling understrapper virgin forest wash wash out wash up washing washing up washout washup wear wear away wearing away whiffet whippersnapper wildwood wiping up wood woodland woods