19
punctual(adjective, time, old)
16
early(adjective, adverb, old)
11
on time(expression, adjective, idiom, adverb, old)
5
prompt(adjective, responsive, old, early)
4
vintage
4
as soon as(adjective, adverb, timing, speed)
3
old(adjective, new, outdated, obsolete)
3
middle(noun, adjective)
3
active
3
lightning
3
timely
2
antique(adjective, old)
2
contemporary
2
live(adjective, old)
2
archaic
2
beforehand
2
current(adjective, present)
2
embryonic
2
future(adjective, present)
2
incipient
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APASmart Define. (2016). late thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/late/thesaurus/antonyms
ChicagoSmart Define. 2016. "late thesaurus" https://smartdefine.org/late/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, late thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/late/thesaurus/antonyms>.
MLASmart Define. "late thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/late/thesaurus/antonyms>