← DefinitionshareGuessunderlyingadjectiveBeing the real or basic cause, reason, or basis of something, often not immediately obvious.nounSomething that serves as a foundation or basis, especially in finance (e.g., an asset on which a derivative is based).SynonymsfundamentaladjectivehiddenadjectivebasicadjectiveAntonymssurfaceadjectivesuperficialadjective