dress up

US /ˌdres ˈʌp/
UK /ˌdres ˈʌp/
"dress up" picture
1.

to put on special clothes, especially for a party or to play a role

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The children love to dress up in their parents' old clothes.
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Are you going to dress up for the party tonight?
:
costumefancy dressget dressed upput on a costumeput on fancy dress
2.

to make something look more attractive or impressive than it really is

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They tried to dress up the old house with new paint and decorations.
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He always tries to dress up his failures as learning experiences.
:
embellishgarnishdecorateenhanceimprove
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dressed (up) to the ninesdressdresseddressingdressing tablewell-dresseddressing room