vulgarly

adverb
1
in a way that does not have or show good taste; in a way that is not polite, pleasant or well behaved
به‌طور زشت, به صورت ناپسند, بی‌ادبانه, ناشایسته, پست‌وار, زشت
synonym tastelessly
2
in a way that is rude and likely to offend
به صورت بی ادبانه, به گونه توهین آمیز, ناپسندانه, بی‌ادبانه, هتاکانه
He eyed her vulgarly.
synonym crudely(3)