31 entries under hard topic. ×

26
severe(adjective, difficult, harsh, pain)
24
oppressive(adjective, difficult, complex, severity)
22
arduous(adjective, difficult, harsh, cruel)
22
burdensome(adjective, difficult, cruel, complex)
22
laborious(adjective, difficult, complex, awkward)
22
rough(adjective, difficult, complex, awkward)
22
toilsome(adjective, difficult, harsh, cruel)
21
difficult(adjective, difficult, harsh, cruel)
21
knotty(adjective, difficult, complex, awkward)
20
complicated(adjective, difficult, complex, awkward)
20
cruel(adjective, difficult, pain, complex)
20
rugged(adjective, difficult, harsh, cruel)
20
tricky(adjective, difficult, complex, awkward)
20
trying(adjective, difficult, complex)
19
backbreaking(adjective, difficult, cruel, complex)
19
complex(adjective, difficult)
19
disturbing(verb, adjective, difficult, complex)
19
grave(adjective, difficult, pain, complex)
19
involved(adjective, difficult, complex, awkward)
19
plodding(adjective, difficult, complex)
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APASmart Define. (2015). grinding thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/grinding/thesaurus/synonyms
ChicagoSmart Define. 2015. "grinding thesaurus" https://smartdefine.org/grinding/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, grinding thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/grinding/thesaurus/synonyms>.
MLASmart Define. "grinding thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/grinding/thesaurus/synonyms>