If—she be married to another man— If—she become the property of another; or become another man's. The Apostle here speaks in the general, not entering exactly into every excepted case which might be imagined. To infer therefore, contrary to our Lord's express decision elsewhere, that adultery is not a sufficient foundation for divorce, seems very unreasonable.
Related Commentaries of Romans 7:3
Romans 7:3
3 So then if, while her husband liveth, she be married to another man, she shall be called an adulteress: but if her husband be dead, she is free from that law; so that she is no adulteress, though she be married to another man.