scrub

1 scrub /ˈskrʌb/ noun
1 scrub
/ˈskrʌb/
noun
Britannica Dictionary definition of SCRUB
[noncount]
1 
: small bushes and trees
2 
: land that is covered with small bushes and trees
2 scrub /ˈskrʌb/ noun
plural scrubs
2 scrub
/ˈskrʌb/
noun
plural scrubs
Britannica Dictionary definition of SCRUB
1 
[count]
a  : the act of rubbing something hard with a rough object or substance and often with soap in order to clean it : the act of scrubbing something — usually singular
b  : a powerful cleanser that is used to clean the skin
2 
scrubs [plural] US : special loose clothing that is worn by people who work in hospitals
3 scrub /ˈskrʌb/ verb
scrubs; scrubbed; scrubbing
3 scrub
/ˈskrʌb/
verb
scrubs; scrubbed; scrubbing
Britannica Dictionary definition of SCRUB
1 
: to rub (something) hard with a rough object or substance and often with soap in order to clean it
[+ object]
[no object]
2 
[+ object] informal : to decide that (something, such as a game, performance, etc.) will not happen : to cancel (something)

scrub off

[phrasal verb]
scrub off (something) or scrub (something) off
: to remove (something) from a surface by scrubbing

scrub out

[phrasal verb]
1 
scrub out (something) or scrub (something) out
: to remove (something) from an object by scrubbing
2 
: to scrub the inside of (something)

scrub up

[phrasal verb]
: to wash your hands and arms thoroughly