Synonyms of primary

1 Syllable

top, main, arch, key, chief, first, prep, keyer

2 Syllables

prime, urgent, special, larval, stapler, topmost, simplex, basic, archer, premier, topper, plasmic, bottom, earliest, primal, bottoms, rooter, central, biotic, loftiest, simple, direct, maiden, mainstream, pioneer, pointful, mainer, leading, chiefest, centric, proemial, major, headon, tester, head-on, first-hand, grass-roots, grassroots, firsthand, vital, axial, first-string, five-star, leadest

3 Syllables

important, nuts-and-bolts, seminal, centroidal, vote-casting, lowermost, underlying, principals, paramount, primeval, called-for, earliness, untapped, precession, primordial, initial, cardinal, cellular, elections, principal, capitals, organic, superior, essential, primaries, overlying, amoebic, dominant, radical, election, capital, mainline, substratal, nethermost, undermost, savage, radicals, foremost

4 Syllables

prelusive, trial-and-error, underived, high-caliber, idiopathic, top-priority, original, precedency, preexistence, precursory, immediate, prevenience, rudimental, primitive, originals, predominant, second-to-none, precedence, unevolved, fundamental, overriding, substrative, inductive

5 Syllables

super-eminent, anatomical, exploratory, preliminary, rudimentary, anteposition, constitutional, aboriginal, preparatory, elementary, experimental, preparative, pre-requisite, applicative, indispensable, supereminent, introductory, axiological

6 Syllables

underivative