Chaste (6)
'chaste' is the definition.
(associated in meaning)
This is all the clue.
(Other definitions for pure that I've seen before include "Virgin" , "Innocent, uncontaminated" , "Unsoiled" , "Virginal" , "Untainted" .)
'chaste' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for vestal that I've seen before include "Woman dedicated to celibacy" , "Virgin charged with keeping alight the fire on the altar to a Roman goddess" , "Chaste (Roman priestess)" , "Valets for old Roman virgin" , "Fat for candles/soap" .)