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 …

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 …

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 …

In music, the fundamental is the musical pitch of a note that is perceived as the lowest partial present. The fundamental may be created by vibration over the full length of a string or air column, or a higher …

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.

Find 138 different ways to say FUNDAMENTAL, along with antonyms, related words, and example sentences at Thesaurus.com.

Learn what fundamental means with clear definitions, pronunciation, synonyms, and real-world examples. Simple explanations to help you use fundamental correctly.