unfaithfulness
🇺🇸
/ʌnˈfeɪθflnəs/
🇬🇧
/ʌnˈfeɪθflnəs/
noun
R
Being dishonest in a romantic relationship by having a sexual relationship with someone other than your partner.
The discovery of his unfaithfulness broke her heart.
그의 불충실이 발견되어 그녀의 마음이 아팠다.
translation
불충
어형 변화
Plural
unfaithfulnesses