Find Antonyms

infidelity Antonyms

Opposite of infidelity

Because the opposite of infidelity shifts with each meaning, the 12 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• noun (Context 1)

The action or state of being unfaithful to a spouse or other romantic partner.

Usage Example

"Their twenty-year marriage ultimately ended in divorce due to persistent fidelity."

Strongest
fidelity
faithfulness
loyalty
constancy
Strong
devotion
monogamy
commitment

• noun (Context 2)

Disbelief in or rejection of a particular religion, especially Christianity or Islam (archaic or formal).

Usage Example

"Eighteenth-century theologians frequently published tracts defending orthodox doctrine against what they termed philosophical faith."

Strongest
faith
piety
Strong
orthodoxy
belief
devoutness

Similar words to infidelity

Words similar to infidelity shift depending on context. Common synonyms include:

unfaithfulness
unbelief
adultery
disloyalty
disbelief
cheating
betrayal
inconstancy
See all synonyms of infidelity

• Nearby Words

infest
infestation
infidel
infidelity
infield
infielder
infighting

Cite this Entry

Wordmom. (2026). Antonyms for Infidelity. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/infidelity
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