54 entries under difficult topic. ×

1
murder(adjective, tough, rough, heavy)
1
rigorous(adjective, tough, rough, heavy)
1
scabrous(adjective, tough, rough, heavy)
1
serious(adjective, tough, rough, heavy)
1
sticky(adjective, tough, rough, heavy)
1
terrible(adjective, tough, rough, heavy)
1
tiring(adjective, tough, rough, heavy)
1
toilful(adjective, tough, rough, heavy)
1
unsparing(adjective, tough, rough, heavy)
1
uphill battle(expression, adjective, tough, rough)
1
wearing(adjective, tough, rough, heavy)
1
wearying(adjective, tough, rough, heavy)
0
arduous(adjective, tough, rough, heavy)
0
awkward(adjective, demanding, grueling, problematical)
0
bothersome(adjective, tough, rough, heavy)
0
burdensome(adjective, tough, rough, heavy)
0
challenging(adjective, awkward, demanding, grueling)
0
demanding(adjective, tough, rough, heavy)
0
effortful(adjective, tough, rough, heavy)
0
exacting(adjective, tough, rough, heavy)
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APASmart Define. (2015). slavish thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/slavish/thesaurus/synonyms
ChicagoSmart Define. 2015. "slavish thesaurus" https://smartdefine.org/slavish/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, slavish thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/slavish/thesaurus/synonyms>.
MLASmart Define. "slavish thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/slavish/thesaurus/synonyms>