The meaning of SUBSTANTIVE is having substance : involving matters of major or practical importance to all concerned. How to use substantive in a sentence. Did you know?

SUBSTANTIVE definition: 1. important, serious, or related to real facts: 2. important, serious, or related to real facts…. Learn more.

Substantive definition: a noun.. See examples of SUBSTANTIVE used in a sentence.

Substantive negotiations or issues deal with the most important and central aspects of a subject. They plan to meet again very soon to begin substantive negotiations.

Definitions of substantive adjective having a firm basis in reality and being therefore important, meaningful, or considerable synonyms: substantial

having practical importance, value, or effect: substantive issues under discussion. Law pertaining to the rules of right which courts are called on to apply, as distinguished from rules of …

Oct 23, 2025 · From Middle English substantif, from Old French substantif. substantive (comparative more substantive, superlative most substantive) In one sense the first debate …