inlaw /ˈɪnlɔː/noun 1/ɪnˈlɔː/ verb 1forms 3 noun1 •One who is within the domain or protection of the law. inlaw /ɪnˈlɔː/ verb1 •(UK, historical) To clear of outlawry or attainder, to return to the protection of the law formsinlawed · inlawing · inlaws