adj. 25B6; adjective
an inbuilt CD-ROM drive : BUILT-IN, integral, incorporated.
our inbuilt survival instinct : INHERENT, intrinsic, innate, congenital, natural, connatural, connate.
INBUILT
Meaning of INBUILT in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012