The meaning of FUNDAMENTAL is serving as a basis supporting existence or determining essential structure or function : basic.

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

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

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 …

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 …

Mar 5, 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. …

Pertaining to the foundation; serving as or being a component part of a foundation or basis; hence, essential; important; original; elementary: as, a fundamental truth or principle; a. fundamental law.

These ideas are of fundamental importance. The revolution brought about a fundamental change in the country. We need to make some fundamental changes in the way we do business. We need to …

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