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View synonyms for perfidious

perfidious

[ per-fid-ee-uhs ]

adjective

  1. deliberately faithless; treacherous; deceitful:

    a perfidious lover.

    Synonyms: traitorous, unfaithful, disloyal, false

    Antonyms: faithful



perfidious

/ pəˈfɪdɪəs /

adjective

  1. guilty, treacherous, or faithless; deceitful
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • perˈfidiously, adverb
  • perˈfidiousness, noun
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Other Words From

  • per·fidi·ous·ly adverb
  • per·fidi·ous·ness noun
  • unper·fidi·ous adjective
  • unper·fidi·ous·ly adverb
  • unper·fidi·ous·ness noun
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Word History and Origins

Origin of perfidious1

First recorded in 1530–40; from Latin perfidiōsus “faithless, dishonest”; perfidy, -ous
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Example Sentences

“Behold, campers, this vile and destructive creature! This killer of songbirds! This murderer of chipmunks! This perfidious predator!”

It ranges from Catholics who want more incense, to Latin Mass adherents who have brought back ancient prayers that mention “the perfidious Jew.”

Russian President Vladimir Putin's playing a "perfidious" game that "we must not fall for", said Defence Minister Boris Pistorius this week.

From BBC

“If the initial findings are confirmed, it will be a perfidious attack on our electricity infrastructure,” Stübgen said.

Not that the court will hold that Trump is immune from the charges growing out of his perfidious attempts to overturn the results of the 2020 eleciton.

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