overdressing's Usage Examples:

Keep infants in comfortable temperatures and avoid overdressing to prevent heat rash.

Whatever sort of event you are attending, you will never run the risk of overdressing, so you should just pick the most outrageous outfit that appeals to you.

Synonyms:

fig out, dress up, tog out, prink, bedizen, dress, get up, get dressed, dizen, trick up, primp, deck out, prank, costume, rig out, fancy up, tart up, fig up, trick out, attire, preen, deck up, tog up, plume, enrobe, gussy up,

Antonyms:

undress, dress down, underdress, uglify, dress up,