adj
Freq #36915
Meanings
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1
adj
involving or characterized by sexual relations between people too closely related to marry legally
The tragedy centers on an incestuous relationship within the royal family.
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2
adj
figuratively, excessively close and exclusive, especially in a group whose members repeatedly favor one another
Critics described the industry's incestuous hiring network as hostile to outsiders.
Thesaurus
Etymology
From incest + -ous, modeled on Latin incestuosus, 'unchaste, incestuous,' from incestus, 'unchaste' or 'impure.' The figurative sense extends prohibited familial intimacy to a closed social or professional circle that excludes outside influence.