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Perfidy
Nefarious
Perfunctory
Scrupulous
Precocious
Pervade
Multifarious
Apprise
Apposite
Insect stages
Minatory
Probity
Synonyms
snake in the grass
unfaithful
undependable
misleading
traitorous
slick
two-faced
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Definition of
perfidious
- 2 dictionary results
per⋅fid⋅i⋅ous
/
pərˈfɪd
i
əs
/
Show Spelled Pronunciation
[
per-
fid
-ee-
uh
s
]
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perfidious
in a Sentence
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perfidious
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perfidious
–adjective
deliberately faithless; treacherous; deceitful:
a perfidious lover.
Origin:
1590–1600;
< L
perfidiōsus
faithless, dishonest.
See
perfidy
,
-ous
Related forms:
per⋅fid⋅i⋅ous⋅ly,
adverb
per⋅fid⋅i⋅ous⋅ness,
noun
Synonyms:
false, disloyal; unfaithful, traitorous.
Antonyms:
faithful.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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perfidious
per·fid·i·ous
(pər-fĭd'ē-əs)
adj. Of, relating to, or marked by perfidy; treacherous. See Synonyms at
faithless
.
per·fid'i·ous·ly
adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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