Find Synonyms

unfaithfulness Synonyms

Another word for unfaithfulness

Choosing another word for unfaithfulness depends on context, so the 15 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• noun (Context 1)

The state or act of engaging in sexual or romantic relations with someone other than one's spouse or committed partner; infidelity.

Usage Example

"Their twenty-year marriage ultimately ended due to his repeated infidelity."

Strongest
infidelity
adultery
Strong
cheating
inconstancy
fickleness

• noun (Context 2)

A breach of trust, duty, allegiance, or commitment to a person, cause, or principle; disloyalty.

Usage Example

"The prophet warned that the nation's disloyalty to its sacred covenant would bring severe consequences."

Strongest
disloyalty
betrayal
Strong
perfidy
treachery
duplicity
apostasy

• noun (Context 3)

A lack of accuracy or close adherence to an original text, fact, or standard.

Usage Example

"Critics faulted the cinematic adaptation for its inaccuracy to the historical record."

Strong
inaccuracy
inexactness
distortion
deviation

Opposites of unfaithfulness

The opposite of unfaithfulness shifts depending on context. Common opposites include:

faithfulness
fidelity
loyalty
accuracy
allegiance
monogamy
steadfastness
fealty
See all opposites of unfaithfulness

• Nearby Words

unfairness
unfaithful
unfaithfully
unfaithfulness
unfaked
unfaltering
unfalteringly

Cite this Entry

Wordmom. (2026). Synonyms for Unfaithfulness. In Wordmom Thesaurus. Retrieved Nov 2, 2026, from https://wordmom.com/synonyms/unfaithfulness
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