66 entries under great topic. ×

34
lengthy(adjective, dull, time, strong)
27
prolonged(adjective, time, strong, excite)
20
extensive(adjective, time, big, deep)
13
protracted(adjective, time, strong, excite)
12
lasting(adjective, time, deep, high)
10
dragging(adjective, excite, slow, property)
8
elongated(adjective, time, deep, high)
8
drawn out(verb, expression, adjective, phrasal verb, time)
8
long-drawn-out(adjective, excite, slow, deep)
8
tall(adjective, time, deep, high)
7
elongate(adjective, time, deep, high)
7
large(adjective, big, heavy, high)
7
lingering(adjective, time, deep, boring)
7
deep(adjective, time, high, space)
7
enduring(adjective, time, deep, high)
7
high(adjective, time, strong, heavy)
6
big(adjective, heavy, high, large)
6
sustained(adjective, time, deep, boring)
5
drawn-out(adjective, excite, slow, deep)
5
longish(adjective, time, deep, high)
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APASmart Define. (2016). long thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/long/thesaurus/synonyms
ChicagoSmart Define. 2016. "long thesaurus" https://smartdefine.org/long/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, long thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/long/thesaurus/synonyms>.
MLASmart Define. "long thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/long/thesaurus/synonyms>