Substantive

Definitions

Having a firm basis in reality and therefore important, meaningful, or considerable.

Having separate and independent existence; real or actual.

Dealing with the essential or fundamental aspects of a subject.

Examples

The committee made substantive changes to the proposal before it was finally approved.

There was no substantive evidence to support the claims made by the witness.

Synonyms

meaningful significant substantial essential important considerable weighty

Antonyms

insignificant trivial superficial unimportant negligible minor frivolous