Find Synonyms

unfaithfully Synonyms

Another word for unfaithfully

Choosing another word for unfaithfully depends on context, so the 11 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adverb (Context 1)

In a disloyal, treacherous, or untrustworthy manner, especially by violating a vow, duty, or romantic commitment.

Usage Example

"He behaved disloyally toward his business partners by secretly sharing their proprietary designs with a rival firm."

Strongest
disloyally
Strong
treacherously
perfidiously
traitorously
deceitfully
adulterously
falsely

• adverb (Context 2)

In a way that fails to accurately or closely reproduce an original text, performance, or set of facts.

Usage Example

"The historical novel was inaccurately adapted for the screen, omitting several central characters and altering the ending."

Strongest
inaccurately
Strong
inexactingly
loosely
imprecisely

Opposites of unfaithfully

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

faithfully
loyally
accurately
precisely
devotedly
steadfastly
exactingly
truly
See all opposites of unfaithfully

• Nearby Words

unfairly
unfairness
unfaithful
unfaithfully
unfaithfulness
unfaked
unfaltering

Cite this Entry

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