Definition of adulterer
: a person who commits adultery; especially : a man who commits adultery
First Known Use of adulterer
ADULTERER Defined for English Language Learners
Definition of adulterer for English Language Learners
: a married person who has sex with someone who is not that person's wife or husband : a person who commits adultery
Seen and Heard
What made you want to look up adulterer? Please tell us where you read or heard it (including the quote, if possible).