| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | primeval; primary |
| Synonyms: | aboriginal, ancient, central, chief, earliest, early, first, fundamental, highest, old, original, paramount, past, prehistoric, primitive, primordial, principal, pristine |
| Main Entry: | chief |
| Part of Speech: | adjective |
| Definition: | most important, essential |
| Synonyms: | arch, capital, cardinal, central, champion, consequential, controlling, crucial, effective, especial, first, foremost, grand, head, highest, key, leading, main, major, momentous, number one, outstanding, paramount, potent, predominant, preeminent, premier, primal, primary, prime, principal, ruling, significant, star, stellar, superior, supreme, telling, uppermost, vital, weighty |
| Antonyms: | inessential, minor, secondary, subordinate, unimportant, unnecessary |
| Main Entry: | early |
| Part of Speech: | adjective |
| Definition: | in the beginning |
| Synonyms: | a bit previous, aboriginal, ancient, antecedent, antediluvian, antiquated, brand-new, budding, early bird, fresh, initial, new, original, preceding, premier, prevenient, previous, primal, prime, primeval, primitive, primordial, prior, pristine, proleptical, raw, recent, undeveloped, young |
| Antonyms: | late |
| Main Entry: | preliminary |
| Part of Speech: | adjective |
| Definition: | introductory, initial |
| Synonyms: | basic, elemental, elementary, exploratory, first, fundamental, inductive, initiatory, opening, pilot, preceding, precursory, prefatory, preparatory, preparing, primal, primary, prior, qualifying, readying, test, trial |
| Antonyms: | closing, concluding, final |
| Main Entry: | primary/prime |
| Part of Speech: | adjective |
| Definition: | earliest |
| Synonyms: | aboriginal, beginning, direct, first, firsthand, immediate, initial, original, pioneer, primal, primeval, primitive, primordial, pristine |
| Antonyms: | final, latest |
| Main Entry: | primeval |
| Part of Speech: | adjective |
| Definition: | ancient |
| Synonyms: | earliest, early, first, old, original, prehistoric, primal, primary, primitive, primordial, pristine |
| Antonyms: | modern, new |
| 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 |
| Main Entry: | primordial |
| Part of Speech: | adjective |
| Definition: | earliest |
| Synonyms: | basic, early, elemental, first, fundamental, original, prehistoric, primal, primary, prime, primeval, primitive, pristine, radical |
| Antonyms: | last, latest |
| Main Entry: | pristine |
| Part of Speech: | adjective |
| Definition: | clean, pure; primeval |
| Synonyms: | earliest, early, first, immaculate, intact, natural, original, primal, purified, refined, sanitary, snowy, spotless, stainless, sterile, sterilized, taintless, unadulterated, uncorrupted, undebased, unpolluted, unsoiled, unspotted, unstained, unsullied, untainted, untarnished, untouched, virginal, wholesome |