falseheart noun 2adjective 1forms 1 noun2 •Wood that gives an erroneous impression of being heartwood.Sometimes, because of the invasion of germs into the heart part, the brown or tawny falseheart with irregular figure appears. — 1995 •(no longer used) Insincerity or disloyalty, or a person who is insincere and disloyal.I know her thoroughly; I have studied her thoroughly; I have looked into her falseheart. Nobody has discovered her but me. — 1883 adjective1 •(no longer used) Synonym of false-hearted.I am thy king, and thou a falseheart traitor. — 1591 formsfalsehearts
