1
far-off(adjective, great, high, long, extended)
1
far-reaching(adjective, great, high, long, extended)
1
faraway(adjective, great, high, long, extended)
1
forever
1
humdrum(adjective, slow, tedious)
1
immortal(constant, abundant, unrestrained, endless, immense)
1
incalculable(constant, abundant, unrestrained, endless, immense)
1
incessant(adjective, constant, abundant, unrestrained, endless)
1
indeterminate(constant, abundant, unrestrained, endless, immense)
1
languishing
1
limitless(adjective, slow, boring, constant, tedious)
1
long-continuing
1
long-drawn
1
long-pending
1
longsome
1
marathon
1
measureless(adjective, constant, abundant, unrestrained, endless)
1
monotonous(adjective, slow, constant, tedious, abundant)
1
multitudinous(constant, abundant, unrestrained, immense, infinite)
1
never-ending(constant, abundant, unrestrained, immense, infinite)
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APASmart Define. (2015). overlong thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/overlong/thesaurus/synonyms
ChicagoSmart Define. 2015. "overlong thesaurus" https://smartdefine.org/overlong/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, overlong thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/overlong/thesaurus/synonyms>.
MLASmart Define. "overlong thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/overlong/thesaurus/synonyms>