overdress

verb

1. dress too warmly

   verb.body

   Synonyms overclothe

   Antonyms underdress

   Source: WordNet 3.0

2. put on special clothes to appear particularly appealing and attractive

   verb.body

   Synonyms attire deck out deck up dress up fancy up fig out fig up get up gussy up prink rig out tog out tog up trick out trick up

   Antonyms dress down underdress

   Source: WordNet 3.0

3. To dress or adorn to excess; to dress too much.

   verb

   Source: webster1913