overdressed
US /ˌoʊ.vɚˈdrest/
UK /ˌoʊ.vɚˈdrest/

1.
terlalu rapi, terlalu formal
dressed too formally or elaborately for a particular occasion
:
•
I felt completely overdressed at the casual backyard barbecue.
Saya merasa benar-benar terlalu rapi di pesta barbekyu santai di halaman belakang.
•
It's better to be slightly underdressed than overdressed.
Lebih baik sedikit kurang rapi daripada terlalu rapi.