{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./
DRESS UP
Meaning of DRESS UP in English
Slang English vocab. Английский сленговый словарь. 2012