prime

prime (Most valuable), adjective best, beyond all praise, beyond compare, capital, cardinal, champion, chief, choice, crowning, dominant, eminent, excelling, exemplary, exquisite, finest, first-class, first in quality, first-rate, foremost, front, greatest, head, highest, important, leading, matchless, nonpareil, of highest excellence, of the best quality, optimas, paramount, peerless, predominant, preeminent, preponderant, prevailing, priceless, principal, prize, prominent, remarkable, select, specially selected, splendid, superb, supereminent, superior, superlative, supreme, top, transcendant, unequaled, unmatched, unrivaled, unsurpassable, unsurpassed, utmost, without comparison

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prime (Original), adjective aboriginal, authentic, basal, basic, beginning, dawning, earliest, early, elemental, embryonic, first, formative, fossil, fundamental, generative, genuine, germinal, inaugural, inceptive, initial, institutive, introductory, native, oldest, primal, primary, primeval, primitive, primordial, primus, rudimentary, starting

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See also: basic, bonus, cardinal, dominant, edify, educate, important, initial, initiate, instruct, leading, major, master, meritorious, necessary, notable, original, outstanding, paramount, premium, primary, primordial, principal, professional, ripe, salient, select, stellar, sterling, superlative, teach