70 entries under adjective topic. ×

5
hidden(strange, new, remote, mysterious)
5
huge
5
illimitable(constant, absolute, monotonous, unrestrained)
5
interminable(complete, constant, absolute, abundant)
5
unbounded(constant, absolute, monotonous, unrestrained)
5
unexpressed(many, latency implication)
5
unknown(obscure, strange, mysterious, indefinite)
5
unspeakable
4
enormous
4
indescribable
4
inexhaustible(absolute, vast, endless, immense)
4
private
4
prodigious
4
titanic
3
eternal(constant, absolute, abundant, unrestrained)
3
gigantic
3
indefinite(complete, strange, mysterious, unfamiliar)
3
many(noun, many)
3
mighty
3
monstrous
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APASmart Define. (2015). untold thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/untold/thesaurus/synonyms
ChicagoSmart Define. 2015. "untold thesaurus" https://smartdefine.org/untold/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, untold thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/untold/thesaurus/synonyms>.
MLASmart Define. "untold thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/untold/thesaurus/synonyms>