170 entries under hard topic. ×

24
ugly(adjective, bad, evil, like)
24
unbearable(adjective, difficult, unpleasant, awful)
23
grave(adjective, difficult, unpleasant, complex)
23
messy(adjective, difficult, unpleasant, terrible)
23
thorny(adjective, difficult, complex)
23
tight(adjective, difficult, complex)
22
tough(adjective, mean, bad, cool)
21
harsh(adjective, mean, cool, tough)
21
stale(adjective, difficult, rank, complex)
21
evil(adjective, mean, bad, wrong)
20
precarious(adjective, difficult, complex, dangerous)
19
complicated(adjective, evil, difficult, complex)
19
fusty(adjective, difficult, rank, complex)
19
intricate(adjective, evil, difficult, complex)
19
knotty(adjective, evil, difficult, complex)
19
complex(adjective, difficult)
18
despicable(adjective, good, mean, evil)
18
disturbing(adjective, severe, difficult, complex)
18
hard-nosed(adjective, severe, rough, difficult)
18
involved(adjective, difficult, complex)
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APASmart Define. (2016). nasty thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/nasty/thesaurus/synonyms
ChicagoSmart Define. 2016. "nasty thesaurus" https://smartdefine.org/nasty/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, nasty thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/nasty/thesaurus/synonyms>.
MLASmart Define. "nasty thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/nasty/thesaurus/synonyms>