208 entries under adjective topic. ×

4
slow(boring, tedious, late, excessive)
4
stretched(time, great, deep, high)
3
boundless(slow, big, boring, large)
3
bulky(size, huge)
3
diffusive(dull, slow, loose, boring)
3
dilatory(slow, boring, tedious, late)
3
expanded(time, great, big, deep)
3
far-off(time, great, deep, high)
3
faraway(time, great, deep, high)
3
indirect(rambling, circuitous, tortuous, unintended)
3
late(slow, boring, tedious, excessive)
3
lengthwise
3
lifelong
3
long-life
3
long-lived
3
long-range
3
marathon
3
perennial
3
persistent(protracted, lengthy)
3
prospicient
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APASmart Define. (2016). long thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/long/thesaurus/synonyms
ChicagoSmart Define. 2016. "long thesaurus" https://smartdefine.org/long/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, long thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/long/thesaurus/synonyms>.
MLASmart Define. "long thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/long/thesaurus/synonyms>