(rare) Unfaithfulness; deceitfulness; perfidy.
Used in a Sentence
perfidiousness
Definition, parts of speech, synonyms, and sentence examples for perfidiousness.
Editorial note
It exposes the perfidiousness of Stallman's argument.
Examples2
Definitions1
Parts of speech1
Quick take
(rare) Unfaithfulness; deceitfulness; perfidy.
Meaning at a glance
The clearest senses and uses of perfidiousness gathered in one view.
Definitions
Core meanings and parts of speech for perfidiousness.
noun
(rare) Unfaithfulness; deceitfulness; perfidy.
Example sentences
It exposes the perfidiousness of Stallman's argument.
That CIA is a byword for perfidiousness.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use perfidiousness in a sentence?
It exposes the perfidiousness of Stallman's argument.
What does perfidiousness mean?
(rare) Unfaithfulness; deceitfulness; perfidy.
What part of speech is perfidiousness?
perfidiousness is commonly used as noun.