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.
Meaning & usage
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.
one of the fundamentals of linear algebra
The lowest frequency of a periodic waveform.
The lowest partial of a complex tone.
Where this word comes from
From Middle English foundamental, fundamental, from Late Latin fundāmentālis, from Latin fundāmentum (“foundation”), from fundō (“to lay the foundation (of something), to found”), from fundus (“bottom”), from Proto-Indo-European *bʰudʰmḗn. By surface analysis, fundament + -al.
Related to a foundation, base, or basis; serving as a foundation.
Essential; extremely important.
a fundamental truth; a fundamental axiom; a fundamental element; fundamental principle; fundamental law
A need for belonging seems fundamental to humans.
Where this word comes from
From Middle English foundamental, fundamental, from Late Latin fundāmentālis, from Latin fundāmentum (“foundation”), from fundō (“to lay the foundation (of something), to found”), from fundus (“bottom”), from Proto-Indo-European *bʰudʰmḗn. By surface analysis, fundament + -al.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.