7
long(adjective, time, great, deep, high)
6
lengthy(adjective, great, deep, high, remote)
4
extensive(adjective, great, deep, high, remote)
4
tall(adjective, great, deep, high, remote)
3
elongated(adjective, great, deep, high, remote)
3
oblong(adjective, protracted, ovated)
2
expanded(adjective, great, deep, high, remote)
2
extended(adjective, tedious, long, extensive, vast)
2
far-reaching(adjective, great, deep, high, remote)
2
high(adjective, great, deep, remote, long)
2
interminable(adjective, tedious, long, extended, drawn-out)
2
lengthened(adjective, great, deep, high, remote)
2
lofty(adjective, great, deep, high, remote)
2
overlong(adjective, great, high, tedious, long)
2
prolonged(adjective, great, deep, high, remote)
2
protracted(adjective, great, deep, high, remote)
2
wide(adjective, vast, caricatured, stretched-out)
1
ample
1
big
1
broad
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APASmart Define. (2015). longish thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/longish/thesaurus/synonyms
ChicagoSmart Define. 2015. "longish thesaurus" https://smartdefine.org/longish/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, longish thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/longish/thesaurus/synonyms>.
MLASmart Define. "longish thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/longish/thesaurus/synonyms>