in ‧ ter ‧ mar ‧ ry /ˌɪntəˈmæri $ -ər-/ BrE AmE verb ( past tense and past participle intermarried , present participle intermarrying , third person singular intermarries ) [intransitive]
1 . if people from two social, racial, or religious groups intermarry, people from one group marry people from the other
intermarry with
Over the centuries, these Greeks intermarried with the natives.
2 . to marry someone within your own group or family:
It is not unusual for royal cousins to intermarry.
—intermarriage /-ˈmærɪdʒ/ noun [uncountable and countable] :
intermarriage between ethnic groups