Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “infidelity”

See all translations

infidelity

noun [C or U] uk   /ˌɪn.fɪˈdel.ə.ti/ us    /-fəˈdel.ə.t̬i/
(an act of) having sex with someone who is not your husband, wife, or regular sexual partner, or (an example of) not being loyal or faithful: marital/sexual infidelity She could not forgive his many infidelities.
Translations of “infidelity”
in Korean 부정…
in Arabic خِيانة…
in French infidélité…
in Turkish vefasızlık, sadakatsizlik, ihanet…
in Italian infedeltà…
in Chinese (Traditional) (夫婦間的)不忠實,不貞行為…
in Russian неверность, измена…
in Polish niewierność, zdrada…
in Spanish infidelidad…
in Portuguese infidelidade…
in German die Untreue…
in Catalan infidelitat…
in Japanese 不貞…
in Chinese (Simplified) (夫妇间的)不忠实,不贞行为…
(Definition of infidelity from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of infidelity?
Add Cambridge dictionaries to your browser to your website

Definitions of “infidelity” in other dictionaries

Word of the Day

comma

the symbol , used in writing to separate parts of a sentence showing a slight pause, or to separate the single things in a list

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More