hypergamy

noun

1. (uncountable, usually)Act or practice of seeking a spouse of higher socioeconomic status or caste status than oneself.

   “From 1940 to the mid-1970s, the tendency for men to marry down educationally became more pronounced and the cultural ideal of hypergamy — that women must marry up — became more insistent.”

   “A lawsuit against David Geffen mentions a website where hypergamy — dating above your station — is celebrated. But the word carries darker intonations.”