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She was completely exhausted after the marathon.
She was totally tired after running a long race.
to the fullest extent or degree; entirely
The project was completely finished on time.
The project was entirely completed as scheduled.
He completely misunderstood the instructions.
He totally misinterpreted what was said.
Often used to emphasize the totality of an action or state.
Use 'completely' to stress that something is done to the fullest extent.
From Middle English 'compleatly', from Old French 'complètement', from Latin 'completus' (completed) + '-ment' (suffix indicating manner).
Used to emphasize that something is done to the fullest extent without any exceptions.