What is "boondoggles"

Usage examples of "boondoggles".

All these Grigsby boondoggles had to be approved by port boss Lunetta.

But look at large-scale boondoggles such as the Grand Prix and the Lipton tennis tournament, which have transformed Bicentennial and Crandon parks respectively.

Also it shows why expensive boondoggles like Tunipah, aimed at supporting this kind of habit as well as making extortionate profits, are foisted on an unsuspecting public.