The meaning of FUNDAMENTAL is serving as a basis supporting existence or determining essential structure or function : basic. How to use fundamental in a sentence.

FUNDAMENTAL definition: serving as, or being an essential part of, a foundation or basis; basic; underlying. See examples of fundamental used in a sentence.

FUNDAMENTAL definition: 1. forming the base, from which everything else develops: 2. more important than anything else…. Learn more.

You use fundamental to describe things, activities, and principles that are very important or essential. They affect the basic nature of other things or are the most important element upon which other …

Jan 14, 2026 · fundamental (plural fundamentals) (generic, singular) A basic truth, elementary concept, principle, rule, or law. An individual fundamental will often serve as a building block used to form a …

basic: fundamental principles of physics. essential: a fundamental revision of a theory. being a starting point: a fundamental idea. a basic principle, rule, law, or the like: the fundamentals of engineering. …

Founded in 2007, Fundamental is a leading alternative asset management firm dedicated to municipal and public purpose investing. Our firm operates at the intersection of municipal finance, community …

1. serving as, or being an essential part of, a foundation or basis; basic; underlying: fundamental principles. 2. of, pertaining to, or affecting the foundation or basis: a fundamental revision. 3. being …

Definition of fundamental. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.

fundamental definition: extremely important or essential for something. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "fundamental …