4
flatfish(noun, fish)
4
foundation(noun, bottom)
4
indivisible(adjective, separate, simple, special, individual)
4
private(adjective, separate, simple, special, individual)
4
simple(adjective, separate, special, individual, distinct)
4
spouseless(adjective, single, marriage)
4
undivided(adjective, separate, simple, special, individual)
4
unwed(adjective, single, marriage)
3
secluded(adjective, separate, simple, special, individual)
3
by oneself(expression, idiom)
3
celibate
3
different(adjective, separate, exact, superior, unusual)
3
discrete(adjective, separate, extraordinary, unusual, outstanding)
3
especial(adjective, separate, simple, exact, superior)
3
express(adjective, separate, exact, superior, unusual)
3
fish(noun, fish)
3
heel
3
hoof
3
independent(adjective, special, individual, limited, select)
3
insole
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APASmart Define. (2016). sole thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sole/thesaurus/synonyms
ChicagoSmart Define. 2016. "sole thesaurus" https://smartdefine.org/sole/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sole thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sole/thesaurus/synonyms>.
MLASmart Define. "sole thesaurus" 1 March 2016. Web. 24 September 2026. <https://smartdefine.org/sole/thesaurus/synonyms>