Filed from 10 published puzzles

URGENT

Set to 8 different clues across 10 published puzzles, most often “Pressing” — The New York Times, Thursday, 19 February 2009.

6 letters

Every clue on record, most used first

Pressing3 times
The New York Times — Thursday, 19 February 2009
Burningonce
The New York Times — Saturday, 4 October 2008
Like overnight mailonce
The New York Times — Saturday, 11 May 2002
Like a FedEx packageonce
The New York Times — Sunday, 26 November 2000
FedEx notationonce
The New York Times — Monday, 11 September 2000
High-priorityonce
The New York Times — Monday, 31 January 2000
Word on express mailonce
The New York Times — Monday, 1 November 1999
Memo wordonce
The New York Times — Sunday, 8 January 1995

Other answers to these clues

ACUTE5 letters
AFIRE5 letters
AFLAME6 letters
AGLOW5 letters
ARDENT6 letters
CRITICAL8 letters
DIRE4 letters
EXIGENT7 letters
FROM4 letters
LIT3 letters
ONFIRE6 letters
REDHOT6 letters