Level 5 · word 11,164 of 20,000

unfaithful

/ənˈfeɪθfəl/ American
  • adj. 不忠的, 不忠诚的
Definition
  • adj. not loyal to your husband, wife, or partner
Example
She left him after learning he had been unfaithful for months.
得知他已经不忠好几个月后,她离开了他。