Filed from 3 published puzzles

ISAIDNO

Set to 3 different clues across 3 published puzzles, most often “Emphatic refusal” — The New York Times, Friday, 8 July 2011.

7 letters

Every clue on record, most used first

Emphatic refusalonce
The New York Times — Friday, 8 July 2011
Reply to a pushy persononce
The New York Times — Friday, 8 October 2010
Stern parent's replyonce
The New York Times — Sunday, 24 December 2006

Other answers to these clues

IMEANNO7 letters
NEVER5 letters
NONONO6 letters
NONONONO8 letters
NONOTEVER9 letters