mettlesome Copy link Outline 1. ănĭmōsus2. gĕnĕrōsus (having good blood)3. fĕrox (of untamed spirit) • mettlesome: 1. ănĭmōsus: m. quadrupeds (horses), quadrupedes a., Ov. M. 2, 84: Virg. G. 3, 81. 2. gĕnĕrōsus (having good blood): the colt of m. sire, pullus g. pecoris, Virg. G. 3, 75. 3. fĕrox (of untamed spirit): Join: feroces, indomitos [equi], Pl. Men. 5, 2, 110.