overdressed

US /ˌoʊ.vɚˈdrest/
UK /ˌoʊ.vɚˈdrest/
"overdressed" picture
1.

formal demais, vestido demais

dressed too formally or elaborately for a particular occasion

:
I felt completely overdressed at the casual backyard barbecue.
Senti-me completamente formal demais no churrasco casual no quintal.
It's better to be slightly underdressed than overdressed.
É melhor estar ligeiramente subvestido do que formal demais.