35
previous(noun, adjective, time, late, old)
29
preceding(adjective, time, lower, opening, basic)
26
former(adjective, order, time, late, old)
21
aforementioned(adjective, earlier, precedence, priority)
20
foregoing(adjective, time, late, old, past)
19
earlier(adjective, time, late, old, past)
18
anterior(adjective, time, old, first, previous)
18
past(adjective, time, former, earlier, preceding)
17
antecedent(adjective, time, former, earlier, precede)
16
before(adjective, earlier, precedence, priority)
12
erstwhile(adjective, late, old, past, previous)
12
precedent(noun, adjective, time, earlier, precede)
10
preliminary(adjective, initial, precedence, precursor, introductory)
9
quondam(adjective, late, old, past, previous)
8
late(adjective, old, past, previous, former)
8
friar(noun, religious, clergy, monastic, predecessor)
8
monk(noun, religious, clergy, monastic, predecessor)
8
one-time(adjective, late, old, past, previous)
7
abbot(noun, clergy)
7
advance(adjective, time, first, forward, precede)
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APASmart Define. (2015). Prior thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/prior/thesaurus/synonyms
ChicagoSmart Define. 2015. "Prior thesaurus" https://smartdefine.org/prior/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, Prior thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/prior/thesaurus/synonyms>.
MLASmart Define. "Prior thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/prior/thesaurus/synonyms>