Definitions

1. verb

to overdo something, especially in a way that is considered excessive or showy

“The designer overnice the decorations for the event, making it look gaudy.”

2. adjective

characterized by excessive or showy display

“The overnice mansion had too many expensive decorations.”

3. adverb

in a way that is considered excessive or showy

“The artist painted the portrait overnice, emphasizing every detail.”