What is the meaning of Fundamental?

A basic truth, elementary concept, principle, rule, or law. An individual fundamental will often serve as a building block used to form a complex idea.

A collection of essential component ideas that are often grouped together to serve as the foundational basis of a complex idea.

The lowest frequency of a periodic waveform.

The lowest partial of a complex tone.

Related to a foundation, base, or basis; serving as a foundation.

Essential; extremely important.

basic, fundamental

fundamental

fundamental

fundamental

fundamental, basic

fundamental, basic

fundamental; essential (pertaining to the basic part or notion of something)

fundamental

fundamental

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Source: wiktionary.org