(one's) Sunday-go-to-meeting clothes noun phrase informal
Used to describe someone's best clothes
I can remember my first date with her. I dressed up in my Sunday-to-go-meeting clothes and showed up very soon at her door.
I will dress up in my Sunday-to-go-meeting clothes to attend my ex's wedding.
I don't usually dress up in my Sunday-to-go-meeting clothes except for important occasions like holidays and wedding parties.
Dressed in formal clothes and shoes
Used to compliment one's appearance that is presentable after grooming oneself
Used to indicate one's dressiest or most formal attire.
To get dressed up.