perfidiousness en · NOUN
Etymology
Etymology tree English perfidious Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English perfidiousness From perfidious + -ness.
Meanings
-
(rare, uncountable, usually) Unfaithfulness; deceitfulness; perfidy.
Not only Cato is vanquished by Caesar, but the treachery and perfidiousness of Syphax prevail over the honest simplicity and the credulity of Juba.
1781, Samuel Johnson, “Addison”, in Lives of the Poets:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| perfidiousnesses | Number=Plur | lexicographic |
Relateds
Synonyms
double-dealing · tergiversation · perfidiousness · stab in the back · betrayal · treacherousness · Punic faith · prodition · treacherousness · breach of promise · traitory · treachery · double-dealing · treachery · Judas kiss · swike · treason · breach of trust · perfidy