Synonyms for Scrub:

n.

azalea, blackthorn, broom, buddleia, coca, dogwood, forsythia, fuchsia, gorse, hibiscus. back down, back out, forget, forgo, hold back, pull back, put on, cry off, knock something on the head, think better of something. detoxification, polish, purification, treatment. continue, hose down, swab, swill, wash off, flush out. dwarf (noun)
diminutive, little, puny.
inferior (noun)
mediocre, poor, second-rate, unimportant.
scrub (noun)
bush, chaparral, crossbred, cur, mixed, mongrel, scour, scouring, scrub up, scrubbing, underbred, unimproved.

v.

chafe (verb)
abrade, aggravate, chafe, disturb, fret, grate, grind, harass, irritate, rasp, resist, rub, scrape, wear.
clean (verb)
clean, cleanse, clear, filter, launder, neaten, order, purge, purify, sanitize, sterilize, sweep, tidy, wash, wipe, Disinfect.
clean with force (verb)
abrade, cleanse, polish, rub, scour, wash.
contact (verb)
scour.

Other synonyms:

wash off. detoxification, hose down, purification, flush out. swill, treatment. polish. clean
swab.
wash
swab.
Other relevant words:
broom, bush, chaparral, crossbred, cur, detoxification, diminutive, little, mixed, mongrel, polish, poor, puny, purification, scour, scouring, scrub up, scrubbing, swab, underbred, unimportant, unimproved, put on, flush out.

Usage examples for scrub

  1. The scrub was all about them; everything was very still and quiet in the afternoon hush. – A Little Bush Maid by Mary Grant Bruce
  2. With you to preach the sermon and your wife to scrub – Candida by George Bernard Shaw
  3. I love the scrub and but for them would like to wander in it all day. – Tropic Days by E. J. Banfield