5
subtlety
5
web(noun, difficulty, mess, tissue, tangle)
4
arduousness(noun, difficulty, adversity, complication, intricacy)
4
confusion(noun, state, trouble, disorder, difficulty)
4
elaboration(noun, complication, complicatedness, multiplicity, complicacy)
4
inscrutability
4
reconditeness
4
strenuousness(noun, difficulty, adversity, complication, intricacy)
3
complicacy
3
delicacy(noun, difficulty, complication, multiplicity, complicacy)
3
elaborateness
3
hardness(noun, difficulty)
3
mesh(noun, mess, tissue, screen, tangle)
3
onerousness(noun, difficulty)
3
oppressiveness(noun, difficulty)
3
problem(noun, complication, multiplicity, complicacy)
3
profoundness
3
profundity
3
puzzle(noun, difficulty, confusion, shame, question)
3
toughness(noun, difficulty)
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APASmart Define. (2015). complexity thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/complexity/thesaurus/synonyms
ChicagoSmart Define. 2015. "complexity thesaurus" https://smartdefine.org/complexity/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, complexity thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/complexity/thesaurus/synonyms>.
MLASmart Define. "complexity thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/complexity/thesaurus/synonyms>