scrub

scrub past tense and past participle scrubbed, present participlescrubbing

1 [intransitive and transitive] to rub something hard, especially with a stiff brush, in order to clean it:

She was on her hands and knees scrubbing the floor.

He scrubbed the dirt off his boots.

The table needs to be scrubbed clean.

scrub at

She scrubbed at her face with a tissue.

➔ clean

2 [transitive] informal to decide not to do something that you had planned[= cancel]:

We scrubbed the idea in the end.

scrub something ↔ out 

phrasal verb

to clean the inside of a place thoroughly:

The rooms are all scrubbed out once a week.

scrub up 

phrasal verb

to wash your hands and arms before doing a medical operation

she is scrubbing her back