Filed from 3 published puzzles

BOONDOGGLE

Set to 3 different clues across 3 published puzzles, most often “Wasteful project” — The New York Times, Saturday, 29 June 2002.

10 letters

Every clue on record, most used first

Wasteful projectonce
The New York Times — Saturday, 29 June 2002
What a waste!once
The New York Times — Thursday, 31 October 1996
Giant waste of moneyonce
The New York Times — Tuesday, 16 July 1996