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perestroika
perf.
perfect
perfect binding
perfect capital market
perfect competition
perfect game
perfect gas
perfect hedge
perfect number
perfect participle
perfect pitch
perfect rhyme
perfect square
perfect title
perfecta
perfected first lien
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perfidy

per·fi·dy [ púrfidee ]


noun 
Definition:
 
deliberate treachery: treachery or deceit ( formal )

[Late 16th century. < Latin perfidia< perfidus "treacherous" < per fidem decipere "deceive through trustingness" < fides "faith, trust"]

per·fid·i·ous [ pər fíddee əss ] adjective
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