early

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

Synonyms: advanced ahead of time anticipative anticipatory before appointed time beforehand direct immature immediate matinal on short notice on the dot overearly oversoon preceding precipitant precocious preexistent premature previous prompt pronto punctual quick seasonable soon speedy unanticipated unexpected untimely

Antonyms: later

Synonyms: a bit previous ahead of time anon beforehand before long betimes briefly bright and early directly early bird ere long far ahead immediately in advance in good time in the bud in time on short notice on the dot oversoon prematurely presently previous promptly pronto proximately quick shortly soon too soon unexpectedly with time to spare

Antonyms: later

Synonyms: at once betimes directly first freshly in a jiffy in an instant in no time instantaneously instantly newly presto primitively promptly recently right away seasonably soon straightaway summarily thereon thereupon timely without delay

Antonyms: late