noun
Uncommon
infidelity
ihn-fih-DEH-lih-tee
Infidelity (noun) means Sexual or romantic unfaithfulness to a spouse or partner. Example: “Their marriage broke down after his infidelity came to light.”
noun
1
Sexual or romantic unfaithfulness to a spouse or partner.
"Their marriage broke down after his infidelity came to light."
"She never fully trusted anyone again after his infidelity."
2
Disloyalty to a duty, cause, or belief.
"The pamphlet accused the minister of infidelity to his own party's principles."
How to use infidelity
Learner’s notesIn plain EnglishCheating on a partner, or more broadly, being disloyal.
Common pairings
marital infidelity
commit infidelity
accuse of infidelity
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Word forms
- Plural
- infidelities
Fill the gap
Can you complete this real example?
Their marriage broke down after his _____ came to light.
Etymology
From Latin infidelitas, built on infidelis ("unfaithful") — see infidel.
Synonyms
View more →Antonyms
Related words
Rhymes for infidelity
See all rhymes for infidelity →Frequently asked questions
What is the meaning of infidelity?
"infidelity" (noun) means sexual or romantic unfaithfulness to a spouse or partner.
What is another word for infidelity?
Other words for "infidelity" include unfaithfulness.
What is the opposite of infidelity?
Opposites of "infidelity" include faithfulness, loyalty, fidelity.
What are the different meanings of infidelity?
"infidelity" has 2 main meanings: 1. Sexual or romantic unfaithfulness to a spouse or partner; 2. Disloyalty to a duty, cause, or belief.
