Clean up and Smarten up

Clean up verb - To make a place neat and orderly by removing extraneous stuff.

Smarten up and clean up are semantically related. In some cases you can use "Smarten up" instead a verb "Clean up".

Smarten up verb - Dress and groom with particular care, as for a special occasion.

Clean up and smarten up are semantically related. Sometimes you can use "Clean up" instead a verb "Smarten up".