DEMEAN, verb transitive 1. To behave; to carry; to conduct; with the reciprocal pronoun; as, it is our duty to demean ourselves with humility. 2. To treat. DEMEAN, verb transitive To debase; to undervalue. DEMEAN, noun 1. Behavior; carriage; demeanor. 2. Mien.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI