7
deep(adjective, time, great, high, space)
7
enduring(adjective, time, great, deep, high)
7
eternal(adjective, endless, durable, incessant, ceaseless)
7
everlasting(adjective, endless, durable, incessant, ceaseless)
7
fancy(verb, desire, think, want, need)
7
farsighted
7
high(adjective, time, strong, great, heavy)
7
hope(verb, desire, want, need, require)
6
big(adjective, great, heavy, high, large)
6
sustained(adjective, time, great, deep, boring)
5
aim(verb, desire, seek, hope, miss)
5
diffuse(adjective, slow, boring, tedious, late)
5
drawn-out(adjective, great, excite, slow, deep)
5
farseeing
5
foresightful
5
longish(adjective, time, great, deep, high)
5
miss(verb, take, desire, exact, demand)
5
overlong(adjective, great, excite, slow, deep)
5
tedious(adjective, slow, property, boring, rambling)
5
tenacious
10 years ago|23k views|share |citing 
APASmart Define. (2016). long thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/long/thesaurus/synonyms
ChicagoSmart Define. 2016. "long thesaurus" https://smartdefine.org/long/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, long thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/long/thesaurus/synonyms>.
MLASmart Define. "long thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/long/thesaurus/synonyms>