informal to be wearing very fashionable or formal clothes for a special occasion.
They must have been on their way to a wedding or something. They were dressed up to the nines.
(redirected from be dressed up to the nines)
be dressed (up) to the nines
To be very well-dressed and fashionable, typically for a formal event. I have to be dressed to the nines at this gala tonight—a lot of important people will be there.The whole family will be dressed up to the nines at the wedding, I'll make sure of it.