'Unholy' in the Bible
You shall not offer any strange incense on this altar, or burnt offering or meal offering; you shall not pour out a drink offering on it.
Now Nadab and Abihu, the sons of Aaron, took their respective [ceremonial] censers, put fire in them, placed incense on it and offered strange (unauthorized, unacceptable) fire before the Lord, [an act] which He had not commanded them to do.
And that ye may put difference between holy and unholy, and between unclean and clean;
But Nadab and Abihu died [in the presence of God] when they offered [in their ceremonial censers] strange [unholy, unacceptable, unauthorized] fire before the Lord.
So do not make the land where you are living unholy: for blood makes the land unholy: and there is no way of making the land free from the blood which has come on it, but only by the death of him who was the cause of it.
You be my judge, God, and plead my case against an unholy nation; rescue me from the deceitful and unjust man.
“When you come to appear before Me,Who requires this of you, this trampling of My [temple] courts [by your sinful feet]?
If you keep the Sabbath with care, not doing your business on my holy day; and if the Sabbath seems to you a delight, and the new moon of the Lord a thing to be honoured; and if you give respect to him by not doing your business, or going after your pleasure, or saying unholy words;
Who are saying, 'Keep to thyself, come not nigh to me, For I have declared thee unholy.' These are a smoke in Mine anger, A fire burning all the day.
And I will give them the reward of their evil-doing and their sin twice over; because they have made my land unclean, and have made my heritage full of the bodies of their unholy and disgusting things.
And I will give it into the hands of men from strange lands who will take it by force, and to the evil-doers of the earth to have for themselves; and they will make it unholy.
And my face will be turned away from them, and they will make my secret place unholy: violent men will go into it and make it unholy.
Its priests treat my law violently, and they profane my holy objects; they do not distinguish between holy object and what is unholy, or between the clean and the unclean. They do not teach the difference, and they hide their eyes from my Sabbaths, and [so] I am profaned in the midst of them.
And they will teach my people [the difference] between what is holy and what is unholy, and [the difference] between unclean and clean they must show them.
And {the remaining part} of five thousand [cubits] in the width {by} twenty-five thousand [cubits], [is] unholy; it is for the city as dwelling and as pastureland; and the city will be [located] {in the middle of it}.
But you make it unholy by saying, The Lord's table has become unclean, and his food is of no value.