overdressed

adjective2

1. •
   Wearing too many clothes for the weather or the occasion.

   • Almost all babies get heat rash during hot weather. However, heat rash can occur even in cold weather if your child is overdressed either during the daytime or the nighttime. — 1994
2. •
   Wearing clothes too formal or too elaborate for the occasion.

   • "I was worried you might think I am overdressed," Sheinna replied in a small voice. — 2012