Profane - A woman who has been seduced, or one of illegitimate birth. A somewhat stricter rule for the priests’ marriages was revealed to the prophet in later times, Ezekiel 44:22.
Related Commentaries of Leviticus 21:7
Leviticus 21:7
7 They shall not take a wife that is a whore, or profane; neither shall they take a woman put away from her husband: for he is holy unto his God.