American Dictionary

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Definition rub out in American English

rub out phrasal verb

[transitive] phrasal verb
1

to kill someone

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2

to erase something you have written or drawn

Example

If you make a mistake rub it out and rewrite the answer.

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2.1

to remove writing or drawing from a blackboard, whiteboard, etc. so that the surface is clean

Example

When she returned to the whiteboard, someone had rubbed out all her calculations.

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Definition rub out in American English