Synonym: betrayal, perfidiousness, treachery, treason. Similar words: superficial, tidy, subsidy, idyllic, fiddle, confide, infidel, fidelity. Meaning: ['pɜrfɪdɪ /'pɜːf-] 
n. 1. betrayal of a trust 2. an act of deliberate betrayal.
n. 1. betrayal of a trust 2. an act of deliberate betrayal. 
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(1) As devotion unites lovers , so perfidy estranges friends.
(2) But can you live with your perfidy?
(3) When the Seminoles and blacks responded to this perfidy by refusing to cooperate in their removal, Jesup renewed warfare.
(4) On trips organised for food writers, public perfidy is a popular lament.
(5) Would the man's perfidy never reach a limit? Sentencedict.com
(6) Oh, the perfidy of men!
(7) The knowledge of Hurstwood's perfidy wounded her like a knife.
(8) Never mind now about Hurstwood's perfidy -- why had he done this?
(9) Anyway, they've seized on this legal brouhaha as an example of Albion's perfidy, so to speak.
(10) Young Zuwaya talked with anger and shock, lips and hands trembling, about the perfidy of the Magharba.
(11) After dinner, they lined the bar, talking loudly about the perfidy of Highlanders and bemoaning their ten-mile, fishless walk.
(12) He was quite certain now that she knew he was married and angered at his perfidy.
More similar words: superficial, tidy, subsidy, idyllic, fiddle, confide, infidel, fidelity, bona fide, confident, diffident, fiduciary, affidavit, confidant, infidelity, confidence, diffidently, perform, confidential, perfect, perfume, performer, imperfect, waterfall, overflow, butterfly, powerful, cheerful, answer for, confidentiality.