Synonyms|396Antonyms|89|Broader|6Narrower|5Related|200
0
openly
0
past
0
pending
0
perpetually
0
posterior
0
present
0
present-day
0
previously
0
progressively
0
promptly
0
recently
0
repeatedly
0
repetition
0
shortly
0
simultaneously
0
slanted
0
slow
0
slowly
0
soon
0
straight
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APASmart Define. (2016). once thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/once/thesaurus/antonyms
ChicagoSmart Define. 2016. "once thesaurus" https://smartdefine.org/once/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, once thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/once/thesaurus/antonyms>.
MLASmart Define. "once thesaurus" 30 March 2016. Web. 25 September 2026. <https://smartdefine.org/once/thesaurus/antonyms>