Another word for fundamental

fundamental Synonyms

fundamental

modif.

Providing the foundation
basic, underlying, basal, radical, primary, first, underived, rudimentary, elementary, substrative, supporting, axiomatic, key, crucial, vital, major, principal, grass-roots, requisite, elemental, primal, cardinal, organic, axiological, theoretical, structural, sustaining, central, original, integral.
Antonyms superficial*, incidental, consequent.
Essential
primary, requisite, significant; see necessary 1.

WEBSTER’S NEW WORLD® ROGET’S A-Z THESAURUS by Charlton Laird and the editors of Webster’s New World dictionaries. Copyright © 1999 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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"fundamental." YourDictionary, n.d. Web. 14 January 2019. <https://thesaurus.yourdictionary.com/fundamental>.

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fundamental. (n.d.). Retrieved January 14th, 2019, from https://thesaurus.yourdictionary.com/fundamental

Another word for fundamental

adjective

Arising from or going to the root or source:
basal, basic, foundational, original, primary, radical, underlying. See surface
Of or being an irreducible element:
basic, elemental, elementary, essential, primitive, ultimate, underlying. See surface
Constituting or forming part of the essence of something:
basic, constitutional, constitutive, essential, integral, vital. See be, surface

noun

A fundamental irreducible constituent of a whole:
basic, element, essential, rudiment (often used in plural). Idiom: part and parcel. See part
A fundamental principle or underlying concept:
base¹, basis, cornerstone, foundation, fundament, root¹, rudiment (often used in plural). See over
A broad and basic rule or truth:
axiom, law, principle, theorem, universal. See order