overdress

verbs

dress too warmly
"You should not overclothe the child--she will be too hot"
overclothe, overdress
antonym
underdress
put on special clothes to appear particularly appealing and attractive
"She never dresses up, even when she goes to the opera"; "The young girls were all fancied up for the party"
attire, deck out, deck up, dress up, fancy up, fig out, fig up, get up, gussy up, overdress, prink, rig out, tog out, tog up, trick out, trick up
antonym
underdress