being such by blood and not by adoption or marriagefelt just as close to his adopted brother as he did to his two consanguineous siblings
felt just as close to his adopted brother as he did to his two consanguineous siblings
biological(also biologic), birth, natural
legitimate
adopted, adoptive, nonbiological
illegitimate
in 1601
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。