'Unclean' in the Bible

Notwithstanding thou mayest kill and eat flesh in all thy gates, whatsoever thy soul lusteth after, according to the blessing of the LORD thy God which he hath given thee: the unclean and the clean may eat thereof, as of the roebuck, and as of the hart.

Even as the roebuck and the hart is eaten, so thou shalt eat them: the unclean and the clean shall eat of them alike.

And every creeping thing that flieth is unclean unto you: they shall not be eaten.

Thou shalt eat it within thy gates: the unclean and the clean person shall eat it alike, as the roebuck, and as the hart.

Do not let his body be on the tree all night, but put it to rest in the earth the same day; for the man who undergoes hanging is cursed by God; so do not make unclean the land which the Lord your God is giving you for your heritage.

And the swine, because it divideth the hoof, yet cheweth not the cud, it is unclean unto you: ye shall not eat of their flesh, nor touch their dead carcase.

“You shall not plow with an ox [a clean animal] and a donkey [an unclean animal] together.

Nevertheless these ye shall not eat of them that chew the cud, or of them that divide the cloven hoof; as the camel, and the hare, and the coney: for they chew the cud, but divide not the hoof; therefore they are unclean unto you.

If there is a man among you who is unclean because of a bodily emission during the night, he must go outside the camp; he may not come anywhere inside the camp.

For the LORD thy God walketh in the midst of thy camp, to deliver thee, and to give up thine enemies before thee; therefore shall thy camp be holy: that he see no unclean thing in thee, and turn away from thee.

I have not eaten thereof in my mourning, neither have I taken away ought thereof for any unclean use, nor given ought thereof for the dead: but I have hearkened to the voice of the LORD my God, and have done according to all that thou hast commanded me.

And whatsoever hath not fins and scales ye may not eat; it is unclean unto you.