infidelity
🇺🇸
/ˌɪnfɪˈdeləti/
🇬🇧
/ˌɪnfɪˈdeləti/
noun
R
When someone is not loyal to their partner or spouse by getting romantically involved with someone else.
He was heartbroken to discover the infidelity of his partner.
パートナーの不貞を知って彼は心が折れた。
translation
不貞
語形変化
Plural
infidelities