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

guru

a religious leader or teacher in the Hindu or Sikh religion

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

crossfit noun

March 23, 2015
high-intensity strength training Two women in strappy dresses discussed how much weight they could snatch

Read More