noun
Freq #133579
Meanings
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1
noun
disloyalty or treacherous failure to keep a promise, commitment, or trust
The alliance collapsed because of the princes' repeated faithlessness.
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2
noun
sexual unfaithfulness to a spouse or partner
The novel traces the harm caused by his faithlessness throughout the marriage.
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3
noun
lack of religious faith or belief
The preacher interpreted their doubt as faithlessness, though they saw it as honest inquiry.
Thesaurus
Synonyms
Opposites
Etymology
Formed from faithless + -ness. Faithless combines faith with -less ('without'), so the noun developed parallel senses for failing to keep faith with another person and for lacking religious faith.