22 entries under noun topic. ×

5
difficulty
2
hardness
2
rigor
2
rigour
2
toughness
2
trouble
1
asperity
1
disquiet
1
pain
0
disorder
0
distress
0
grimness
0
hardship
0
inconvenience
0
niceness
0
onerousness
0
oppressiveness
0
rigorousness
0
severity
0
stroppiness(awkwardness, irrationality, unreasonableness)
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APASmart Define. (2015). difficultness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/difficultness/thesaurus/synonyms
ChicagoSmart Define. 2015. "difficultness thesaurus" https://smartdefine.org/difficultness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, difficultness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/difficultness/thesaurus/synonyms>.
MLASmart Define. "difficultness thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/difficultness/thesaurus/synonyms>