1
has-beens
1
heretofore
1
history
1
in front of(verb, expression, phrasal verb)
1
in past time(expression, idiom)
1
into the past(expression, idiom)
1
irrecoverable
1
issue
1
lapsed
1
long
1
long ago(expression, idiom, the past)
1
matutinal
1
morning
1
obsolete
1
of yore(expression, idiom, the past)
1
olden
1
onetime
1
operate
1
originate
1
passed
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APASmart Define. (2015). ago thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/ago/thesaurus/synonyms
ChicagoSmart Define. 2015. "ago thesaurus" https://smartdefine.org/ago/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, ago thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/ago/thesaurus/synonyms>.
MLASmart Define. "ago thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/ago/thesaurus/synonyms>