chastely

adverb
1
in a way that does not express sexual feelings
با عفت, پرهیزگرانه, عفیفانه, پاک‌دامنانه
2
without having sex with anyone; only having sex with the person that you are married to
بطور پاکدامنانه, بطور عفیفانه, بطور باعفاف
Not all clergymen managed to live chastely.
3
in a plain and simple style; without decoration
به سادگی, بی‌پیرایه, بی‌آلایش, بی‌زیور, بدون تزئین
chastely classical interior decoration