dress up
dress up {v.}
1a. To put on best or special clothes.
Billy hated being dressed up and took off his best suit as soon as he got home from church.
1b. To put on a costume for fun or clothes for a part in a play.
Mary was dressed up to play Cinderella in her school play.
2. To make (something) look different; make (something) seem better or more important.
A fresh coat of paint will dress up the old bicycle very much.
Tommy dressed up the story of what he did on vacation and made it seem twice as interesting as it was.
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Source: A Dictionary of American Idioms
