Antonym of dress up

Antonyms of verb dress_up

1 of 5 senses of dress up

Sense 1:

overdress, dress up, fig out, fig up, deck up, gussy up, fancy up, trick up, deck out, trick out, prink, attire, get up, rig out, tog up, tog out
Antonym of dress down (Sense 2)
=>dress down, underdress