A slipdress is a type of dress that is very simple and often made of a smooth, shiny material.
Slipdresses are often considered elegant and stylish.
Examples:
She wore a beautiful slipdress to the party.
The slipdress is shiny and smooth.
I like to wear slipdresses in the summer.
The slipdress looks like something a princess would wear.
Her collection of slipdresses is bigger than anyone else's.
The slipdress she wore was the most beautiful dress I had ever seen.