Question

based on its prefix which is the correct definition of impersonal

Answer 1

DEFINITION OF IMPERSONAL: not influence by, showing or involving personal feelings
DEFINITION OF THE PREFIX: The prefix im means not and opposite of 
DEFINITION OF PERSONAL: belonging or relating to a particular person or made or designed to be used by one person
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Answer 2

the definition is...

impersonal-(verb) to play the part of.

one who impersonates another ex, on the stage.