1
stretching(adjective, great, deep, high, remote)
1
stringy(adjective, great, deep, high, remote)
1
superfluous(adjective, wordy)
1
sustained(adjective, great, slow, deep, boring)
1
tautological
1
timeless
1
towering(adjective, strong, great, deep, extreme)
1
unconditional
1
undying
1
unexclusive(big, large, grand, huge, major)
1
universal(big, large, grand, huge, inclusive)
1
unlimited
1
unqualified
1
unrelenting
1
unrestricted(big, large, grand, huge, major)
1
vast(big, large, grand, huge, inclusive)
1
voluminous(big, large, grand, huge, inclusive)
1
wall to wall(expression, idiom, big, huge, major)
1
wholesale(big, large, grand, huge, major)
1
wide-ranging(big, large, grand, huge, major)
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APASmart Define. (2016). lengthy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lengthy/thesaurus/synonyms
ChicagoSmart Define. 2016. "lengthy thesaurus" https://smartdefine.org/lengthy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, lengthy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lengthy/thesaurus/synonyms>.
MLASmart Define. "lengthy thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/lengthy/thesaurus/synonyms>