PUNIC
punic, perfidious, treacherous
(adjective) tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans; “Punic faith”; “the perfidious Judas”; “the fiercest and most treacherous of foes”; “treacherous intrigues”
Carthaginian, Punic
(adjective) of or relating to or characteristic of ancient Carthage or its people or their language; “the Punic Wars”; “Carthaginian peace”
Punic
(noun) the Phoenician dialect of ancient Carthage
Source: WordNet® 3.1
Pu"nic, a. Etym: [L. Punicus pertaining to Carthage, or its
inhabitants, fr. Poeni the Carthaginians.]
1. Of or pertaining to the ancient Carthaginians.
2. Characteristic of the ancient Carthaginians; faithless;
treacherous; as, Punic faith.
Yes, yes, his faith attesting nations own; 'T is Punic all, and to a
proverb known. H. Brooke.
Source: Webster’s Unabridged Dictionary 1913 Edition