Synonyms|301Antonyms|108|Broader|2Narrower|7Related|583
1
all-encompassing(big, large, grand, huge, inclusive)
1
ample
1
backbreaking
1
big(adjective, large, grand, huge, broad)
1
bimestrial
1
blanket(big, large, grand, huge, major)
1
boundless(slow, big, large, grand, huge)
1
capacious(big, large, grand, huge, major)
1
ceaseless
1
chronic
1
colossal
1
commodious(big, large, grand, huge, major)
1
comprising(big, large, grand, huge, major)
1
confirmed
1
considerable(big, large, grand, huge, major)
1
continued(adjective, great, deep, high, remote)
1
continuing
1
dateless
1
de longue haleine(expression, idiom)
1
deathless
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APASmart Define. (2016). lengthy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/lengthy/thesaurus/synonyms
ChicagoSmart Define. 2016. "lengthy thesaurus" https://smartdefine.org/lengthy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, lengthy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/lengthy/thesaurus/synonyms>.
MLASmart Define. "lengthy thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/lengthy/thesaurus/synonyms>