12
nowadays
4
currently(adverb, future, before, previously, formerly)
3
always
2
evermore
1
never(adjective, adverb)
1
future
1
afterward
1
again and again
1
ahead
1
already
1
back
1
backward
1
circuitously
1
coming
1
consecutively
1
presently
1
prospective
1
since
1
today
1
unborn
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APASmart Define. (2016). once thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/once/thesaurus/antonyms
ChicagoSmart Define. 2016. "once thesaurus" https://smartdefine.org/once/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, once thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/once/thesaurus/antonyms>.
MLASmart Define. "once thesaurus" 30 March 2016. Web. 21 September 2026. <https://smartdefine.org/once/thesaurus/antonyms>