10 entries under ahead topic. ×

5
before(adverb, earlier, once, erstwhile)
4
forward(adverb, away, earlier, before)
3
away(adverb, forward, onward, along)
2
onward(adverb, away, forward, by)
2
antecedently(adverb, before, beforehand, anteriorly)
2
beforehand(adverb, earlier, before, previously)
2
beforetime(adverb, earlier, before, once)
2
earlier(adverb, before, once, erstwhile)
2
erstwhile(adverb, earlier, before, once)
2
forth(adverb, away, forward, onward)
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APASmart Define. (2015). since thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/since/thesaurus/antonyms
ChicagoSmart Define. 2015. "since thesaurus" https://smartdefine.org/since/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, since thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/since/thesaurus/antonyms>.
MLASmart Define. "since thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/since/thesaurus/antonyms>