Filed from 4 published puzzles

MOLDY

Set to 4 different clues across 4 published puzzles, most often “Antiquated” — The New York Times, Sunday, 11 June 2006.

5 letters

Every clue on record, most used first

Antiquatedonce
The New York Times — Sunday, 11 June 2006
Starting to get blue?once
The New York Times — Sunday, 23 April 2006
Rottenonce
The New York Times — Wednesday, 12 October 2005
Like stuff in the back of the fridge, maybeonce
The New York Times — Monday, 15 March 1999

Other answers to these clues

ARCHAIC7 letters
BAD3 letters
EVIL4 letters
FUSTY5 letters
LOUSY5 letters
MOSSY5 letters
MOTHEATEN9 letters
NOISOME7 letters
OLD3 letters
OLDEN5 letters
OLDTIME7 letters
PASSE5 letters