Jun 1, 2012 · 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: 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 …

Feb 5, 2026 · An AI lab called Fundamental emerged from stealth on Thursday, offering a new foundation model to solve an old problem: how to draw insights from the huge quantities of …

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 …

Fundamental has its roots in the Latin word fundamentum, which means "foundation." So if something is fundamental, it is a key point or underlying issue — the foundation, if you will — that the thing is built …

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There are 17 meanings listed in OED's entry for the word fundamental, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

May 11, 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 …