unfaithful
un|faith|ful /'ʌnf'eɪθfʊl/
[ADJ] oft ADJ to n
If someone is unfaithful to their lover or to the person they are married to, they have a sexual relationship with someone else.
James had been unfaithful to Christine for the entire four years they'd been together.
...her unfaithful husband.
[ADJ] oft ADJ to n
If someone is unfaithful to their lover or to the person they are married to, they have a sexual relationship with someone else.
James had been unfaithful to Christine for the entire four years they'd been together.
...her unfaithful husband.