scrub1
¦ verb (scrubs, scrubbing, scrubbed)
1. rub hard so as to clean.
(scrub up) thoroughly clean one's hands and arms before performing surgery.
(scrub up well) Brit. informal (of a person) look good after making a deliberate effort.
2. informal cancel or abandon.
3. use water to remove impurities from (gas or vapour).
¦ noun
1. an act of scrubbing.
2. a semi-abrasive cosmetic substance applied to the face or body in order to cleanse the skin.
3. (scrubs) special hygienic clothing worn by surgeons during operations.
Origin
C16: prob. from Mid. Low Ger., MDu. schrobben, schrubben.
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scrub2
¦ noun
1. vegetation consisting mainly of brushwood or stunted forest growth.
(also scrubs) land covered with such vegetation.
2. [as modifier] denoting a shrubby or small form of a plant.
N. Amer. denoting an animal of inferior breed or physique.
3. informal an insignificant or contemptible person.
4. N. Amer. a sports team or player not among the best or most skilful.
an informal match or game played by children or amateurs.
Derivatives
scrubby adjective
Origin
ME (in the sense 'stunted tree'): var. of
shrub1.