Filed from 6 published puzzles

LEGION

Set to 6 different clues across 6 published puzzles, most often “Veterans' group, informally” — The New York Times, Monday, 4 May 2009.

6 letters

Every clue on record, most used first

Veterans' group, informallyonce
The New York Times — Monday, 4 May 2009
Multitudeonce
The New York Times — Friday, 20 July 2001
Numerousonce
The New York Times — Sunday, 30 January 2000
Multitudinousonce
The New York Times — Sunday, 30 August 1998
French Foreign ___once
The New York Times — Monday, 3 March 1997
Innumerableonce
The New York Times — Sunday, 31 December 1995

Other answers to these clues

BEVY4 letters
HEAP4 letters
HORDE5 letters
HOST4 letters
MANY4 letters
MYRIAD6 letters
SCAD4 letters
SEA3 letters
SLEW4 letters
UNTOLD6 letters