75 entries under difficult topic. ×

1
irksome(adjective, hard, tough, severe, rough)
1
murder(adjective, hard, great, tough, severe)
1
problematic(tough, severe, awkward, painful)
1
problematical(adjective, complex, awkward, demanding)
1
sticky(adjective, tough, rough, heavy)
1
terrible(adjective, tough, rough, heavy)
1
testing(noun, adjective, tough, severe)
1
toilful(adjective, tough, rough, heavy)
0
awkward(adjective, complex, demanding, complicated)
0
distressing(adjective, tough, rough, heavy)
0
merciless(adjective, tough, rough, heavy)
0
scabrous(adjective, tough, rough, heavy)
0
slavish(adjective, tough, rough, heavy)
0
unsparing(adjective, tough, rough, heavy)
0
uphill battle(expression, adjective, tough, rough)
11 years ago|6.4k views|share |citing 
APASmart Define. (2015). uphill thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/uphill/thesaurus/synonyms
ChicagoSmart Define. 2015. "uphill thesaurus" https://smartdefine.org/uphill/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, uphill thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/uphill/thesaurus/synonyms>.
MLASmart Define. "uphill thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/uphill/thesaurus/synonyms>