- 1being an essential part of something Music is an integral part of the school's curriculum. integral to something Practical experience is integral to the course.
- 2[usually before noun] included as part of something, rather than supplied separately All models have an integral CD player.
- 3[usually before noun] having all the parts that are necessary for something to be complete an integral system
adverbSee integral in the Oxford Advanced Learner's Dictionary
Check pronunciation: integral