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Webster 1913 Edition


Perfidiousness

Per-fid′i-ous-ness

,
Noun.
The quality of being perfidious; perfidy.
Clarendon.

Webster 1828 Edition


Perfidiousness

PERFID'IOUSNESS

,
Noun.
The quality of being perfidious; treachery; traitorousness; breach of faith, of vows or allegiance.

Definition 2024


perfidiousness

perfidiousness

English

Noun

perfidiousness (usually uncountable, plural perfidiousnesses)

  1. (rare) Unfaithfulness; deceitfulness; perfidy.
    • 1781, Samuel Johnson, "Addison" in Lives of the Poets:
      Not only Cato is vanquished by Caesar, but the treachery and perfidiousness of Syphax prevail over the honest simplicity and the credulity of Juba.

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