Obergefell v. Hodges, the 2015 Supreme Court decision establishing a constitutional right for same-sex couples to marry, marked the first time in the Court’s history that justices explicitly disagreed over the meaning and requirements of human dignity. In his dissenting opinion Clarence Thomas sought to reclaim rather than simply reject the language of dignity, advancing a conception of dignity that differed sharply from the conception embraced by the majority. Using this disagreement as a point of departure, this article demonstrates how dignity has served as an extra-textual value that underpins divergent visions of American constitutionalism that, in turn, inform interpretations of the Constitution’s text and history.