perfĭdus — Lewis & Short
perfĭdus, a, um, adj.per-fides,
I that breaks his promise, faithless, false, dishonest, treacherous, perfidious.
I Lit. (class.;
syn. infidus): vanum et perfidiosum esse,Cic. Quint. 6, 26:
omnes, aliud agentes, aliud simulantes, perfidi, improbi, malitiosi sunt,id. Off. 3, 14, 60.—
(b) With gen. (poet.):
gens perfida pacti,faithless, Sil. 1, 5.—
b Of inanim. and abstr. things (poet.):
bella,Sil. 15, 819:
nex,effected by treachery, Sen. Agam. 887:
arma,Ov. F. 4, 380:
verba,id. R. Am. 722.—
c Adverb.: perfidum ridens Venus (= maligne ac dolose), Hor. C. 3, 27, 67.—As subst.: perfĭdus, i, m., a scoundrel, Juv. 13, 245; 9, 82.—
II Transf., treacherous, unsafe, dangerous (poet. and in post-class. prose):
freta,Sen. Med. 302:
saxa,id. Agam. 570:
perfidum glacie flumen,Flor. 3, 4, 5:
perfida et lubrica via,Prop. 4 (5), 4, 49.
vappa,wretched wine that has a good appearance, Mart. 12, 48, 14.—Sup.:
homo, quoad vixerat, perfidissimus,Amm. 16, 12, 25.—Adv.: perfĭ-dē, faithlessly, perfidiously, treacherously (post-Aug.):
perfide recuperans,Sen. Contr. 4, 26:
rumpere pactum,Gell. 20, 1, 54:
agere,Dig. 26, 7, 55:
quod perfide gestum est,ib. 44, 4, 4, § 13.