49 entries under noun topic. ×

16
obscurity(uncertainty, vagueness, complexity, secrecy)
10
reconditeness
8
complexity(obscurity, complexity)
8
profundity(obscurity, complexity)
7
intricacy
7
mystery(difficulty, question, secret, puzzle)
7
subtlety(difficulty, question, secret, puzzle)
6
obscureness
6
profoundness
5
abstrusity
5
depth
5
difficulty(challenge, question, secret, puzzle)
4
ambiguity(uncertainty, obscurity, vagueness, secrecy)
4
opacity(uncertainty, obscurity, vagueness, haziness)
3
incomprehensibility
3
unintelligibility(vagueness, incomprehensibility)
2
ambiguousness(obscurity, vagueness, opacity, incomprehensibility)
2
dimness
2
inscrutability(difficulty, question, secret, puzzle)
2
puzzle(difficulty, question, uncertainty, secret)
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APASmart Define. (2015). abstruseness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/abstruseness/thesaurus/synonyms
ChicagoSmart Define. 2015. "abstruseness thesaurus" https://smartdefine.org/abstruseness/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, abstruseness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/abstruseness/thesaurus/synonyms>.
MLASmart Define. "abstruseness thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/abstruseness/thesaurus/synonyms>