14
before(adverb, head, late, past, previous)
14
previously(adverb, earlier, precede)
13
formerly(adverb, earlier)
13
once(adjective, adverb, late, past, now)
11
yet(adverb, time, precede, the past)
10
hitherto(adverb, the past)
10
so far(expression, idiom, adverb, time)
9
already(adverb, late, now, earlier, then)
8
earlier(adverb, back, late, past, previous)
8
erstwhile(adverb, head, late, past, previous)
7
as yet(expression, idiom, adverb)
7
thus far(expression, idiom, adverb)
7
until now(expression, idiom, adverb)
7
up to now(expression, idiom, adverb)
5
before now(expression, idiom, adverb, now, earlier)
4
as of today
4
hereunto(adverb, time)
4
in the past(expression, idiom, adverb, back, late)
4
sooner
4
theretofore
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APASmart Define. (2015). heretofore thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/heretofore/thesaurus/synonyms
ChicagoSmart Define. 2015. "heretofore thesaurus" https://smartdefine.org/heretofore/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, heretofore thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/heretofore/thesaurus/synonyms>.
MLASmart Define. "heretofore thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/heretofore/thesaurus/synonyms>