first

Synonyms: aboriginal ahead antecedent anterior basic beginning cardinal early elementary first off front fundamental head headmost inaugural inceptive incipient initial in the beginning introductory key leading lead off least number one numero uno opening original pioneer premier primary prime primeval primitive primogenial primordial pristine right up front rudimentary slightest smallest

Antonyms: final last

Synonyms: advanced a-number-1 arch champion chief dominant eminent first-class first-string foremost greatest head head of the line leading main number one outstanding paramount predominant preeminent premier primary prime primo principal ranking ruling sovereign supreme top-flight top of the list

Antonyms: last least

Synonyms: at the outset before all else beforehand initially in the first place originally to begin with to start with

Antonyms: finally last