Lewis Short
(adj.adv.adv.) : taeter (less correctly tēter), tra, trum, adj. perh. from taedet.
* Physically, offensive, foul, noisome, shocking, hideous, loathsome (class.; syn.: foedus, putidus).
* Absol.: taetra et immanis belua,Cic. Tusc. 4, 20, 45: odor ex multitudine cadaverum,Caes. B. C. 3, 49: cadavera,Lucr. 2, 415: aut foedā specie taetri turpesque videntur,id. 2, 421: sapor,id. 6, 22: absinthia,id. 1, 936: ulcera,id. 5, 995; 5, 1126; 4, 172; 6, 976: cruor,Verg. A. 10, 727: spiritus,Hor. C. 3, 11, 19; Luc. 1, 618: loca taetra, inculta, foeda atque formidolosa,Sall. C. 52, 13; cf.: taetris tenebris et caligine,Cic. Agr 2, 17, 44: alter, o dii boni, quam taeter mcedebat, quam truculentus, quam terribilis aspectu!id. Sest. 8, 19; cf.: vultus naturā horridus ac taeter,Suet. Calig. 50; Juv. 10, 191: hanc tam taetram, tam horribilem tamque infestam rei publicae pestem toties jam effugimus,Cic. Cat. 1, 5, 11.— Comp.: aliis aliud retro quoque taetrius esset Naribus, etc.,Lucr. 2, 510.— Sup.: taeterrima hiems, Cael. ap. Cic. Fam. 8, 15, 1.
* Mentally or morally.
* In gen.
* Of persons, horrid, hideous, repulsive, shameful, disgraceful, abominable, etc. (syn.: immanis, turpis): taeter et ferus homo,Cic. Q. Fr. 2, 13, 2.—Sup.: quid ais tu, hominum omnium taeterrume?Plaut. Most. 3, 1, 65: quamquam es omni diritate atque immanitate taeterrimus,Cic. Vatin. 3, 9: quis taetrior hostis huic civitati,id. Cael. 6, 13: qui in eum fuerat taeterrimus,id. Tusc. 1, 40, 96.
* Esp., neutr. as adv., horridly, horribly, etc.: taetrum flagrat ... Horror conscius,Prud. Cath. 4, 22.—Hence, adv.: taetrē, foully, shockingly, hideously, Cato ap. Charis. p. 196 P.; Cic. Div. 1, 9.—Sup., Cic. Att. 7, 12, 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary