<p><strong>Noun</strong></p><ul><li>a native or inhabitant of the United States</li><li>a native or inhabitant of New England</li><li>a native or inhabitant of a northern U.S. state, especially of one of the northeastern states that sided with the Union in the American Civil War</li><li>a federal or northern soldier in the American Civil War</li><li>a word used in communications to represent the letter Y</li><li>Military: the NATO name for a class of streamlined, nuclear-powered Soviet submarines, with 16 multiple-warhead ballistic missiles: first produced for the Soviet Navy in the 1960s; in service with the Russian Navy 1992–95</li></ul><p><strong>Adjective</strong></p><ul><li>of, relating to, or characteristic of a Yankee or Yankees: Yankee ingenuity</li></ul>