Copyright © Philip M. Parker, INSEAD. Terms of Use.

Definition: Perfidious |
PerfidiousAdjective1. 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". Source: WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. |
Date "perfidious" was first used in popular English literature: sometime before 1350. (references) |
Synonyms: PerfidiousSynonyms: punic (adj), treacherous (adj). (additional references) |
| Context | Synonyms within Context (source: adapted from Roget's Thesaurus). |
Falsehood | Collusive, collusory; artful; (cunning); perfidious; spurious; (deceptive); untrue; falsified; Verb: covinous. |
Improbity | False-hearted, disingenuous; unfair, one-sided; double, double-hearted, double-tongued, double-faced; timeserving, crooked, tortuous,insidious, Machiavelian, dark, slippery; fishy; perfidious, treacherous, perjured. |
| Source: adapted from Roget's Thesaurus. | |
Crosswords: Perfidious |
| English words defined with "perfidious": Disleal ♦ False-hearted ♦ perfidiously, Proditorious, Punic ♦ treacherous. (references) |
| Specialty definitions using "perfidious": Bottes ♦ Menippos. (references) |
| Domain | Usage | |
Screenplays | In weaving his subtle net, he employed all the insidious devices known to his perfidious profession. (One Rainy Afternoon; writing credit: Stephen Morehouse Avery; Maurice Hanline) | |
Source: compiled by the editor from various references; see credits. | ||
| Domain | Title | ||
Books |
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Music |
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Source: compiled by the editor from various references; see credits. | |||
| Title | Author | Quote |
Les Miserables | Hugo, Victor | Woman is perfidious and tortuous. |
Source: compiled by the editor from various references. | ||
| Speaker | Term | Phrase(s) |
James Madison | 1809-1817 | Nor is it less so that penal enactments should be provided for cases of corrupt and perfidious intercourse with the enemy, not amounting to treason nor yet embraced by any statutory provisions. |
Source: compiled by the editor from various references. | ||
| "Perfidious" is generally used as an adjective (general or positive) -- approximately 95.24% of the time. "Perfidious" is used about 21 times out of a sample of 100 million words spoken or written in English. Its rank is based on over 700,000 words used in the English language. Some parts-of-speech are not covered due to the samples used by the British National Corpus. (note: percents less than one-hundredth of one percent have been omitted) |
| Parts of Speech | Percent | Usage per 100 Million Words | Rank in English |
| Adjective (general or positive) | 95.24% | 20 | 78,262 |
| Noun (proper) | 4.76% | 1 | 339,140 |
| Total | 100.00% | 21 | N/A |
Source: compiled by the editor from several corpora; see credits.
| The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com. |
| Expression | Frequency per Day |
perfidious albion | 3 |
perfidious | 3 |
| Source: compiled by the editor from various references; see credits. | |
| Language | Translations for "perfidious"; alternative meanings/domain in parentheses. | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Albanian | i pabesë (backhand, disloyal, faithless, false-hearted, punic, sacrilegious, traitorous, treacherous, unfaithful, viperous), besëthyes. (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Arabic | غادر بطبعه, غدار, خائن (betrayer, deceiver, disloyal, faithless, false, renegade, traitor, traitorous, treacherous, treasonable, unfaithful, unreliable, untrue). (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Bulgarian | коварен (catty, crafty, guileful, insidious, snaky, subtle, trappy, underhand), вероломен (disloyal, faithless, perjured, perjurious, serpentine, treacherous), неверен (disloyal, faithless, false, false-hearted, inconstant, incorrect, mendacious, mock, treacherous, unfaithful, untrue, wrongful), предателски (disloyal, telltale, traitorous), перфиден. (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Chinese | 背信棄義 (be perfidious, break faith with somebody). (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Czech | zrádný (deceitful, false, guileful, shifty, telltale, traitorous, treacherous, treasonable, treasonous), vìrolomný. (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
French | perfide. (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
German | verräterisch (telling, telltale, traitorous, treacherous, treacherously, treasonable, treasonably), treulos (disloyal, disloyally, faithless, false, falsely, perfidiously, traitorous, treacherous, unfaithful), hinterhältig (false, guileful, mean, snaky, sneaky, treacherous, underhand). (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Greek | ύπουλοσ (catty, hangdog, insidious, insinuate, shady, sneak, sneaker, sneaky, underhand, underhanded), άπιστοσ (disloyal, faithless, infidel, recreant, unbeliever, unfaithful, ungodly). (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Hebrew | בו'" י (insidious, traitorous, treacherous, unfaithful). (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Hungarian | galád (atrocious, cunning, dastardly, dirty, mean-spirited), álnok (deceitful, deceptive, deep, disingenuous, disloyal, double dealing, double faced, false-hearted, felon, hollow-hearted, treacherous). (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Italian | perfido (deceitful, malicious, snaky, treasonable). (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Manx | neuhreisteilagh (treacherous, unhopeful), neufirrinagh (affected, fictitious, insincere, unfaithful), kialgagh (calculated, calculating, circumventory, crafty, deceitful, deceiving, deceptive, fallacious, fly, guileful, illusive, insidious, seditious, treacherous, tricky, wily), foalsey (affected, bogus, counterfeit, dud, dummy, ersatz, fallacious, false, feigned, forged, hollow, hollow of victory, hypocritical, pinchbeck, sham, spurious, substitute, suppositious, tinsel, treacherous, two-faced, wrong, wrong as note). (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Pig Latin | erfidiouspay perfid (false, false-hearted, guileful, serpentine, shifty, snaky, treacherous), trãdãtor (foul, Ratter, recreant, renegade, traitor, traitorous, treacherous, turncoat), necinstit (crooked, dirty, dishonest, dishonestly, disingenuous, faithless, foul, fraudulent, knavish, knavishly, low down, meretricious, raw, rotten, unfair, unfaithful, unlawful). (various references) вероломный (disloyal, double-hearted, faithless, falsehearted, false-hearted, guileful, unfaithful), предательский (disloyal, recreant, renegade, serpentine, traitorous, trappy, treacherous, treasonable, treasonous). (various references) podmukao (insidious, knavish, trappy, treacherous, underhand), perfidan (falsehearted), lukav (arch, artful, astute, cagey, cagy, canny, captious, crafty, cunning, designing, insidious, leery, shrewd, sleeky, sly, tricky, vulpine, wily). (various references) pérfido (false). (various references) trolös (disloyal, faithless, jilt, recreant, treacherous, unfaithful), svekfull (deceitful, deceptive, fraudulent, treacherous). (various references) vefasız (disloyal, errant, erring, inconstant, unfaithful, untrue, untruthful), sadakâtsiz (disloyal, false-hearted, inconstant, insincere, unfaithful, untrue), hain (betrayer, cattish, catty, deceitful, dingo, disloyal, faithless, false, false-hearted, foul, insidious, Judas, malicious, nefarious, rat, Ratter, renegade, scoundrel, scoundrelly, serpent, snaky, traitor, traitorous, treacherous, ungrateful, villain, viperish, viperous, wicked). (various references) віроломний (deceitful, faithless, guileful, treacherous, trustless), зрадницький (apostate, apostatic, apostatical, recreant, telltale, traitorous, treasonable, wrong). (various references) phản bội (traitorous, treacherous), bội bạc; xảo trá. (various references) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Derivations | |
Words beginning with "perfidious": perfidiously, perfidiousness, perfidiousnesses. (additional references) | |
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"Perfidious" is suggested in spellcheckers for the following: Cervidius, perditious, perfedious, perfideous, perfidiuos, perfidous, perfiduous, perfidus, persidious, Porfirio, prefidious, presidious. (additional references) | |
| Source: compiled by the editor, based on several corpora (additional references). | |
| Words rhyming with "perfidious" (pronounced 'Per*fid"i*ous'): Abdominous, Abiogenous, Ablatitious, Abnormous, Absentaneous, Absonous, Abstemious, Abstentious, Abstractitious, Acanthaceous, Acanthocarpous, Acanthocephalous, Acanthophorous, Acanthopodious, Acanthopterous, Acanthopterygious, Acarpellous, Acarpous, Acclivitous, Acclivous, Acephalous, Acetabuliferous, Acetarious, Acetous, Achilous, Achlamydeous, Acholous, Achromatous, Achroous, Achylous, Achymous, Acidiferous, Acidulous, Acinaceous, Acotyledonous, Acrimonious, Acrocarpous, Acrogenous, Acronyctous, Acrosporous, Acrotomous, Actinophorous, Aculeous, Acuminous, Addititious, Adelphous, Adenophorous, Adenophyllous, Adenous, Adiaphorous. (additional references) |
Scrabble® Enable2K-Verified Anagrams | |
| Words within the letters "d-e-f-i-i-o-p-r-s-u" | |
-2 letters: presidio, purified, purifies. | |
-3 letters: periods, profuse, soupier, spiroid, updries. | |
-4 letters: dopers, dopier, dories, douser, drupes, dupers, euripi, fiords, furies, iodise, irides, irised, pedros, perdus, period, poised, poiser, poseur, poufed, poured, prides, prised, prosed, prudes, pseudo, pursed, redips, rouped, roused, souped, soured, spider, spired, spored, surfed, uprise, uprose, upside, uredos. | |
-5 letters: defis, dipso, doers, doper. | |
| Words containing the letters "d-e-f-i-i-o-p-r-s-u" | |
+2 letters: perfidiously, profundities. | |
+4 letters: perfidiousness. | |
+5 letters: hyperfastidious. | |
| Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)50 65 72 66 69 64 69 6F 75 73 |
| Leonardo da Vinci (1452-1519; backwards) (references)
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| American Sign Language (origins from 1620-1817 in Italy and, especially, France) (references)
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| Semaphore (1791, in France) (references)
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| Braille (1829, in France) (references)
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Morse Code (1836) (references).--. . .-. ..-. .. -.. .. --- ..- ... |
| Dancing Men (Sir Arthur Conan Doyle, 1903) (references)
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Binary Code (1918-1938, probably earlier) (references)01010000 01100101 01110010 01100110 01101001 01100100 01101001 01101111 01110101 01110011 |
HTML Code (1990) (references)P e r f i d i o u s |
ISO 10646 (1991-1993) (references)0050 0065 0072 0066 0069 0064 0069 006F 0075 0073 |
| British Sign Language (Fingerspelling, BSL; 1992, British Deaf Association Dictionary of British Sign Language) (references)
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Encryption (beginner's substitution cypher): (references)50718472757075818785 |
| 1. Definition 2. Synonyms 3. Crosswords 4. Usage: Modern | 5. Usage: Commercial 6. Quotations: Fiction 7. Quotations: Speeches 8. Usage Frequency | 9. Expressions: Internet 10. Translations: Modern 11. Derivations 12. Rhymes | 13. Anagrams 14. Orthography 15. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.