Coming at twenty to his father’s house, which was a very sink of filthy debauchery, he, chaste and pure as he was, simply withdrew in silence when to look on was unbearable, but without the slightest sign of contempt or condemnation.
But she refused him resolutely, feeling that to accept him would be an act of treachery to her son, though Dardanelov had, to judge from certain mysterious symptoms, reason for believing that he was not an object of aversion to the charming but too chaste and tender-hearted widow.
There are no more uses of "chaste" in the book.
Show samples from other sources
My parents divorced when I was twelve, and I think maybe, when I was very young, I witnessed a chaste cheek kiss between the two when it was impossible to avoid.
Gillian Flynn -- Gone Girl
Before he could answer, she stretched up to kiss him—a chaste press of lips to lips at first, but it deepened quickly, and soon he was parting her lips with his, tongue stroking into her mouth, and she could taste him: the sweetness of Jace spiked with the bite of champagne.