- fundamental
- I(New American Roget's College Thesaurus)adj. basic, essential, underlying, original, intrinsic, rudimentary.II(Roget's IV) modif.1. [Providing the foundation]Syn. 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.Ant. superficial*, incidental, consequent.2. [Essential]Syn. primary, requisite, significant; see necessary 1 .III(Roget's 3 Superthesaurus)In.basic, essential, element, rudiment, principle, foundation, ABCs, cornerstone, *nitty-gritty, heart, nucleus.ANT.: extra, peripheral, supplementIIa.basic, essential, primary, elementary, rudimentary, principal, underlying, cardinal, chief, indispensable, integral, foundational.ANT.: secondary, peripheral, auxiliaryIV(Roget's Thesaurus II) I adjective 1. Arising from or going to the root or source: basal, basic, foundational, original, primary, radical, underlying. See SURFACE. 2. Of or being an irreducible element: basic, elemental, elementary, essential, primitive, ultimate, underlying. See SURFACE. 3. Constituting or forming part of the essence of something: basic, constitutional, constitutive, essential, integral, vital. See BE, SURFACE. II noun 1. A fundamental irreducible constituent of a whole: basic, element, essential, rudiment (often used in plural). Idiom: part and parcel. See PART. 2. A fundamental principle or underlying concept: base1, basis, cornerstone, foundation, fundament, root1, rudiment (often used in plural). See OVER. 3. A broad and basic rule or truth: axiom, law, principle, theorem, universal. See ORDER.
English dictionary for students. 2013.