Both Uses of

chaste
in
Of Human Bondage

It was a strange life, dark and tortured, in which men and women showed to remorseless eyes the evil that was in their hearts: a fair face concealed a depraved mind; the virtuous used virtue as a mask to hide their secret vice, the seeming-strong fainted within with their weakness; the honest were corrupt, the chaste were lewd.†
Chpt 29-30

chaste = not having sexual intercourse (ever, outside of marriage, or for a long time); or not involving sexual desire

You may talk of Bouguereau if you will: there is a cheerful disgustingness in the sound which excites laughter; but let us not sully our chaste lips with the names of J. Ruskin, G. F. Watts, or E. B. Jones.'†
Chpt 41-42 *

Definitions:

(1) (chaste as in: remained chaste)
not having sex; or not involving sexual desire
The exact meaning of not having sex depends upon context. It can mean
- to be a virgin (never have sex)
- to be sexually inactive currently or for a long time
- to not have sex outside of marriage
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Much less commonly, chaste can refer to an unornamented simple style.