Lewis Short
(adjective) : īrācundus, a, um, ira
* Irascible, irritable, passionate, choleric, angry, ireful, easily provoked (class.): iratus potest non esse iracundus: iracundus non potest aliquando iratus non esse, Sen. de Ira, 1, 4, 1 (al. om. non before potest): ut non tantum iratus sit sapiens, sed iracundus,id. ib. 2, 6, 3: sunt morosi et anxii et iracundi senes,Cic. de Sen. 18, 65: iracundum esse in aliquem,id. Planc. 26, 63: adversus hostes,Just. 7, 6, 15: quemadmodum posset leniri, Sen. de Ira, 1, 1, 1: tale non est ira, sed quasi ira,id. ib. 1, 2, 6: leones,Ov. M. 15, 86: mens,Lucr. 3, 296.—Comp.: iracundior est paulo,Hor. S. 1, 3, 29.—Sup.: iracundissimus, Sen. de Ira, 2, 6, 4; 2, 15, 1.— Transf. (poet.): neque patimur Iracunda Jovem ponere fulmina,easily provoked, held in readiness to fall,Hor. C. 1, 3, 40.—Adv. in two forms.
* Īrācundē, angrily, passionately: agere cum aliquo,Cic. Phil. 8, 5, 16; Just. 12, 6, 6; Plin. 11, 37, 54, § 143. — Comp.: iracundius docere,Cic. Rosc. Com. 11, 31.
* Īrācundĭter, angrily, passionately: rem agere, Caecil. ap. Non. 11, 45; Enn. ap. Prisc. p. 1010 P.
Charlton T. Lewis, Charles Short, A Latin Dictionary