54 entries under problematical topic. ×

26
severe(adjective, hard, difficult, harsh, pain)
25
hard(adjective, difficult, harsh, pain, cruel)
22
arduous(adjective, hard, difficult, harsh, cruel)
22
burdensome(adjective, hard, difficult, cruel, complex)
22
laborious(adjective, hard, difficult, complex, awkward)
22
rough(adjective, hard, difficult, complex, awkward)
22
toilsome(adjective, hard, difficult, harsh, cruel)
21
difficult(adjective, hard, difficult, harsh, cruel)
21
knotty(adjective, hard, difficult, complex, awkward)
20
complicated(adjective, hard, difficult, complex, awkward)
20
rugged(adjective, hard, difficult, harsh, cruel)
20
tricky(adjective, hard, difficult, complex, awkward)
19
backbreaking(adjective, hard, difficult, cruel, complex)
19
involved(adjective, hard, difficult, complex, awkward)
19
serious(adjective, hard, difficult, harsh, cruel)
19
sticky(adjective, hard, difficult, complex, awkward)
19
toilful(adjective, hard, difficult, complex, awkward)
18
intricate(adjective, hard, difficult, complex, awkward)
18
operose(adjective, hard, difficult, complex, awkward)
8
wearing(noun, verb, adjective, tough, rough)
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APASmart Define. (2015). grinding thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/grinding/thesaurus/synonyms
ChicagoSmart Define. 2015. "grinding thesaurus" https://smartdefine.org/grinding/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, grinding thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/grinding/thesaurus/synonyms>.
MLASmart Define. "grinding thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/grinding/thesaurus/synonyms>