36 entries under heavy topic. ×

1
mean(adjective, hard, severe, rough, difficult)
1
merciless(adjective, tough, severe, rough, difficult)
1
murder(adjective, hard, tough, rough, difficult)
1
rugged(adjective, hard, tough, rough, difficult)
1
serious(adjective, hard, tough, severe, rough)
1
toilful(adjective, tough, rough, difficult)
1
troublesome(adjective, hard, tough, severe, rough)
1
vexatious(adjective, dull, boring, tired)
0
difficile(adjective, tough, rough, difficult)
0
involved(adjective, tough, rough, difficult)
0
scabrous(adjective, tough, rough, difficult)
-1
slavish(adjective, tough, rough, difficult)
-1
sticky(adjective, tough, rough, difficult)
-1
terrible(adjective, tough, rough, difficult)
-1
unsparing(adjective, tough, rough, difficult)
-1
uphill battle(expression, adjective, tough, rough, difficult)
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APASmart Define. (2016). exhausting thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/exhausting/thesaurus/synonyms
ChicagoSmart Define. 2016. "exhausting thesaurus" https://smartdefine.org/exhausting/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, exhausting thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/exhausting/thesaurus/synonyms>.
MLASmart Define. "exhausting thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/exhausting/thesaurus/synonyms>