built in[adjective]Synonyms: inherent, congenital, constitutional, deep-seated, essential, inborn, inbred, indwelling, ingrained, innate
[TahlilGaran] English Synonym Dictionary ▲
ˌbuilt-ˈin adjective forming a part of something that cannot be separated from it ⇒
inbuilt:
a built-in microphone [TahlilGaran] Dictionary of Contemporary English ▲