Meanings
Various theories; see Wikipedia article.
How to pronounce "keep up with the Joneses":
AU
To act or make purchases for status or image rather than out of need, especially for the purpose of competing with friends, neighbors, or society.
Example: "Do you really need a fancy new car or are you just trying to keep up with the Joneses?"
Example Sentences
1
They bought a new car to keep up with the Joneses.
2
She got a bigger TV to keep up with the Joneses.
3
They remodeled their kitchen to keep up with the Joneses.
4
He purchased designer clothes to keep up with the Joneses.
5
They went on an expensive vacation to keep up with the Joneses.