lĭbīdo or lŭbīdo, ĭnis, f. [libet], pleasure, desire, eagerness, longing, fancy, inclination (cf.: appetitio, optatio, cupiditas, cupido, studium).
I In gen.: ubilubido veniet nauseae, Cato R. R. 156, 4; Plaut. Pers. 5, 2, 26; Lucr. 4, 779: ex bonis (perturbationibus) libidinem et laetitiam, ut sit laetitia praesentium bonorum, libido futurorum, Cic. Tusc. 4, 6, 11: ipsa iracundia libidinis est pars: sic enim definitur iracundia, ulciscendi libido, id. ib. 3, 5, 11; id. Fin. 3, 9, 32: non omnibus delendi urbem libido erat, Liv. 5, 42: juventus magis in decoris armis et militaribus equis quam in scortis atque conviviis libidinem habebat, delighted in , Sall. C. 7: tanta libido cum Mario eundi plerosque invaserat, id. J. 84; id. ib. 86: tanta libidine vulgi auditur, Juv. 7, 85: rarus sermo illis, et magna libido tacendi, id. 2, 14: urinae lacessit, Gell. 19, 4: est lubido with inf. ( = libet, ante-class.): est lubido orationem audire, Plaut. Trin. 3, 1, 25; 4, 2, 23: est lubido homini suo animo opsequi, id. Bacch. 3, 3, 11; id. Men. 1, 1, 7; id. Ep. 2, 2, 56 al.—
II In partic.
A Unlawful or inordinate desire, passion, caprice, wilfulness, wantonness : ingenium est omnium hominum ab labore proclive ad libidinem, Ter. And. 78: ad libidinem suam vexare aliquem, Cic. Rosc. Am. 49, 141: fortuna res cunctas ex lubidine magis, quam ex vero celebrat obscuratque, arbitrarily, according to pleasure or caprice , Sall. C. 8: quod positum est in alterius voluntate, ne dicam libidine, Cic. Fam. 9, 16, 3: ad libidinem aliorum judicare, id. Font. 12, 26; id. Fin. 1, 6, 19: instruitur acies ad libidinem militum, Liv. 25, 21.—
B Sensual desire, lust (the usual meaning in plur.): procreandi, Cic. Off. 1, 17, 53: libidinis ministri, id. Lael. 10, 35: commiscendorum corporum mirae libidines, id. N. D. 2, 51, 128: qui voluptatum libidine feruntur, id. Tusc. 3, 2, 4: qui feruntur libidine, id. ib. 3, 5, 11: libidine accendi, Sall. C. 28: mala libido Lucretiae per vim stuprandae, Liv. 1, 57; Suet. Aug. 69; id. Galb. 22; Col. 8, 11, 6: eadem summis pariter minimisque libido, Juv. 6, 349: saltante libidine, i. e. passion goading on , id. 6, 318.—Esp., of unnatural lust , Suet. Aug. 71; Paul. Sent. 5, 23, 13. —Of unbridled indulgence: vinulentiam ac libidines, grata barbaris, usurpans, Tac. A. 11, 16.—Hence,
2 Transf. (abstr. pro concreto): libidines, voluptuous or obscene representations in painting and sculpture, Cic. Leg. 3, 13, 31: in poculis libidines caelare juvit, Plin. 33 praef. § 4: pinxit et libidines, id. 35, 10, 36, § 72.