"chastest" in the adjective sense
1. chaste
morally pure (especially not having experienced sexual intercourse
"a holy woman innocent and chaste"
2. chaste
pure and simple in design or style
"a chaste border of conventionalized flowers"
3. chaste
abstaining from unlawful sexual intercourse
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License