inherent

1. existing as an essential constituent or characteristicExamples: "the Ptolemaic system with its built-in concept of periodicity"; "a constitutional inability to tell the truth"Synonyms: built-in, constitutional, inbuilt, inherent, integral

2. in the nature of something though not readily apparentExamples: "shortcomings inherent in our approach"; "an underlying meaning"Synonyms: implicit in, inherent, underlying