domineer Copy link Outline 1. in pĕrĭto, 1 (with dat.)2. regno, 1 (a word often used offensively of individuals who exerted excessive or unconstitutional power)3. (superbe) dŏmĭnor, 1 • domineer: 1. in pĕrĭto, 1 (with dat.): cocks d. over their kind, galli gallinacei imperitant suo generi, Plin.: to d. arrogantly over the vanquished, superbe victis imp., Liv. 2. regno, 1 (a word often used offensively of individuals who exerted excessive or unconstitutional power): Cic: Liv. 3. (superbe) dŏmĭnor, 1: v. to dominate.