dressed to the nines

Meaning

1. dressed (up) to the nines

   wearing very elegant or formal clothes

In the movies · 2

• Opening night, doctors, lawyers, businessmen and their wives, all dressed to the nines.Finding Neverland2004
• She was dressed to the motherfuckin' nines, I mean, I'm transphobic and even I was like, "You look nice."Dave Chappelle: The Closer2021

From the same entry

• dressed to kill
• mutton dressed as lamb
• look the part
• dress down
• dress down
• dress up
• dress up