54 entries under problematical topic. ×

1
involved(adjective, tough, rough, difficult, heavy)
1
irksome(adjective, hard, tough, severe, rough)
1
murder(adjective, hard, great, tough, severe)
1
sticky(adjective, tough, rough, difficult, heavy)
1
terrible(adjective, tough, rough, difficult, heavy)
1
testing(noun, adjective, tough, severe, difficult)
1
toilful(adjective, tough, rough, difficult, heavy)
0
awkward(adjective, difficult, complex, demanding, complicated)
0
distressing(adjective, tough, rough, difficult, heavy)
0
merciless(adjective, tough, rough, difficult, heavy)
0
scabrous(adjective, tough, rough, difficult, heavy)
0
slavish(adjective, tough, rough, difficult, heavy)
0
unsparing(adjective, tough, rough, difficult, heavy)
0
uphill battle(expression, adjective, tough, rough, difficult)
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APASmart Define. (2015). uphill thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/uphill/thesaurus/synonyms
ChicagoSmart Define. 2015. "uphill thesaurus" https://smartdefine.org/uphill/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, uphill thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/uphill/thesaurus/synonyms>.
MLASmart Define. "uphill thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/uphill/thesaurus/synonyms>