14 entries under extent topic. ×

12
profound(adjective, complete, deep, surface)
11
deep(adjective, complete, difficult, down, deep)
11
bottomless(adjective, complete, deep, infinite)
11
unfathomable(adjective, complete, deep, profound)
4
infinite(adjective, complete, deep, profound)
4
vast(adjective, immeasurable)
3
boundless(adjective, complete, deep, infinite)
3
illimitable(adjective, immeasurable)
3
unending(adjective, complete, deep, infinite)
2
complete(adjective, immeasurable)
2
endless(adjective, immeasurable)
2
extreme(adjective, immeasurable)
2
thorough(adjective, immeasurable)
0
incalculable(adjective, immeasurable)
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APASmart Define. (2015). abysmal thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/abysmal/thesaurus/synonyms
ChicagoSmart Define. 2015. "abysmal thesaurus" https://smartdefine.org/abysmal/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, abysmal thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/abysmal/thesaurus/synonyms>.
MLASmart Define. "abysmal thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/abysmal/thesaurus/synonyms>