| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | basic, important |
| Synonyms: | axiological, axiomatic, basal, bottom, bottom-line, cardinal, central, constitutional, constitutive, crucial, elemental, elementary, essential, first, foundational, grass-roots, indispensable, integral, intrinsic, key, major, meat-and-potatoes, necessary, organic, original, paramount, primary, prime, primitive, primordial, principal, radical, requisite, rudimentary, significant, structural, substratal, substrative, supporting, sustaining, theoretical, underived, underlying, vital |
| Antonyms: | additional, advanced, auxiliary, extra, minor, secondary, subordinate, trivial, unimportant |
| Main Entry: | primary/prime |
| Part of Speech: | adjective |
| Definition: | basic, fundamental |
| Synonyms: | basal, beginning, bottom, central, elemental, elementary, essential, first, foundational, introductory, meat-and-potatoes, original, primitive, principal, radical, rudimentary, simple, three R's, ultimate, underivative, underived, underlying |
| Antonyms: | auxiliary, secondary, supplemental |
| Main Entry: | primitive |
| Part of Speech: | adjective |
| Definition: | ancient, original |
| Synonyms: | archaic, basic, earliest, early, elementary, essential, first, fundamental, old, primal, primary, primeval, primordial, pristine, substratal, underivative, underived, underlying, undeveloped, unevolved |
| Antonyms: | current, modern, new, present |