Forming a permanent or essential element or quality:
Existing as an essential constituent or characteristic; intrinsic:
The definition of integral is anything that is necessary in order for something to be completed.
Find another word for inbuilt. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for inbuilt, like: built-in, constitutional, inherent, integral, in-built and auto-switching.