48 entries under lengthy topic. ×

3
dull(adjective, slow, tedious, late, protracted)
3
enduring(adjective, great, deep, high, persistent)
3
stretched out(expression, adjective, extended, protracted, lingering)
2
attenuated
2
great(adjective, big, deep, high, large)
2
longish(adjective, great, deep, high, remote)
2
unfolded(adjective, protracted)
1
distant(adjective, great, deep, high, remote)
1
far-off(adjective, great, deep, high, remote)
1
far-reaching(adjective, great, big, deep, high)
1
faraway(adjective, great, deep, high, remote)
1
gangling(adjective, great, deep, high, remote)
1
high(adjective, strong, great, deep, extreme)
1
lanky(adjective, great, deep, high, remote)
1
lofty(adjective, great, deep, high, remote)
1
outstretched(adjective, great, deep, high, remote)
1
rangy(adjective, great, deep, high, remote)
1
remote(adjective, great, deep, high, long)
1
running(adjective, great, deep, high, remote)
1
spread
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APASmart Define. (2015). prolonged thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/prolonged/thesaurus/synonyms
ChicagoSmart Define. 2015. "prolonged thesaurus" https://smartdefine.org/prolonged/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, prolonged thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/prolonged/thesaurus/synonyms>.
MLASmart Define. "prolonged thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/prolonged/thesaurus/synonyms>