Idiom
make something up
Theme: SUBSTITUTION
to repay or redo something.Can I make up the test I missed?Please make up the payment you missed.You can make it up.
Idiom
make something up
Theme: PREPARATION
to mix something up; to assemble something.JOHN: IS my prescription ready? DRUGGIST: NO, I haven't made it up yet.I'll make up your prescription in a minute.How long does it take to make up a cheese sandwich?
Idiom
make something up
Theme: LYING
to think up something; to make and tell a lie.That's not true! You just made that up!I didn't make it up!You made up that story!