Filed from 3 published puzzles

SINLESS

Set to 3 different clues across 3 published puzzles, most often “Pure” — The New York Times, Thursday, 3 August 2006.

7 letters

Every clue on record, most used first

Pureonce
The New York Times — Thursday, 3 August 2006
Impeccableonce
The New York Times — Saturday, 26 November 2005
Like no human, according to the Bibleonce
The New York Times — Saturday, 27 March 2004

Other answers to these clues

CHASTE6 letters
MERE4 letters
SQUEAKYCLEAN12 letters
UTTER5 letters
VESTAL6 letters