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. Synonym Discussion of Fundamental.

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

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 upon.

You use fundamental to describe things, activities, and principles that are very important or essential. Our constitution embodies all the fundamental principles of democracy.

Fundamental definition: . See examples of FUNDAMENTAL used in a sentence.

FUNDAMENTAL meaning: 1 : forming or relating to the most important part of something basic often + to; 2 : of or relating to the basic structure or function of something

FUNDAMENTAL definition: relating to the most important or main part of something: . 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 things depend.