inbred /.in'bred; in'brcd/ adj 1 inborn; innate: 天生的; 與生具來的： ~ courtesy. 天生的謙恭有禮。 2 bred for several or many generations from ancestors closely related. 近親繁殖的。 inbreeding /iin'brudiij; 'inridiij/ n [U] breeding from closely related ancestors, stocks, etc. 近親繁殖; 血族交配。