Parallel
Numbers 5:13
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
And a man lie with her carnally, and it be hid from the eyes of her husband, and be kept close, and she be defiled, and there be no witness against her, neither she be taken with the manner;
by sleeping with another man, and it is concealed from her husband and her impurity is undetected (since there is no witness against her and she was not caught in the act),