Crossword clue: tending to betray; especially having a treacherous character as attributed to the carthaginians by the romans

The most common answer is perfidious (10 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

perfidious 10 letters wn-def

tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans

punic 5 letters wn-def

the Phoenician dialect of ancient Carthage