37 synonyms for integral such as complete, basic, built-in, aggregate, and combined. Integral is an adjective, and its antonyms are incidental and peripheral.
Basic, constitutive, essential, fundamental, indispensable, inherent, innate, intrinsic, necessary, requisite, structural, and vital.
Built-in, component, constituent, fitted, inbuilt, incorporated, integrant, and integrated.
Aggregate, combined, complete, composite, comprehensive, entire, full, gross, intact, integrated, organic, overall, total, undivided, unified, and whole.