Incestuous

Origin

incest + -ous

Full definition of incestuous

Adjective

1. Pertaining to or engaging in incest.If you engage in an incestuous relationship with a family member, that would make you an inbreeder.
2. Characterized by mutual relationships that are intimate and exclusive to the detriment of outsiders.

Synonyms

• interbreeder

Derived terms

• incestuously