128 entries under difficult topic. ×

19
disturbing(adjective, hard, severe, complex)
19
elaborate(adjective, hard, complex)
19
grave(adjective, hard, unpleasant, complex)
19
hard-nosed(adjective, strong, hard, tough, severe)
19
hefty(adjective, hard, complex)
19
involved(adjective, hard, complex, awkward)
19
ponderous(adjective, hard, complex)
19
serious(adjective, bad, strong, hard, tough)
19
stertorous(adjective, hard, complex)
19
stubborn(adjective, strong, hard, tough)
18
burly(adjective, hard, complex)
18
toilful(adjective, hard, complex, awkward)
18
troubled(adjective, hard, complex, painful)
16
turbulent(adjective, nature, calm, quiet, strong)
14
brutal(adjective, hard, severe, rude)
13
boisterous(adjective, quiet, strong, tough)
13
stormy(adjective, nature, calm, strong, severe)
13
tempestuous(adjective, nature, calm, quiet, strong)
12
hairy(adjective, body, severe, informal)
11
awkward(adjective, sharp, harsh, rude)
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APASmart Define. (2016). rough thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/rough/thesaurus/synonyms
ChicagoSmart Define. 2016. "rough thesaurus" https://smartdefine.org/rough/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, rough thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rough/thesaurus/synonyms>.
MLASmart Define. "rough thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/rough/thesaurus/synonyms>