Definition of overdressed in English:
overdressed
adjective əʊvəˈdrɛstˌoʊvərˈdrɛst
Dressed in a way that is too elaborate, ostentatious, or formal for a particular situation.
she felt wildly overdressed in her velvet suit
you can never be too overdressed for a trip to the races
Definition of overdressed in US English:
overdressed
adjectiveˌōvərˈdrestˌoʊvərˈdrɛst
Dressed in a way that is too elaborate, ostentatious, or formal for a particular situation.
she felt wildly overdressed in her velvet suit
you can never be too overdressed for a trip to the races