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.
translation
Being dishonest in a romantic relationship by having a sexual relationship with someone other than your partner.
Word Forms
Plural
unfaithfulnesses