37 entries under heavy topic. ×

1
knotty(adjective, tough, rough, difficult)
1
labored(adjective, hard, tough, rough, difficult)
1
mean(adjective, tough, rough, difficult)
1
murder(adjective, hard, tough, rough, difficult)
1
rigorous(adjective, hard, tough, severe, rough)
1
rugged(adjective, tough, rough, difficult)
1
scabrous(adjective, tough, rough, difficult)
1
serious(adjective, tough, severe, rough, difficult)
1
slavish(adjective, tough, rough, difficult)
1
sticky(adjective, tough, rough, difficult)
1
terrible(adjective, tough, rough, difficult)
1
toilful(adjective, tough, rough, difficult)
1
unsparing(adjective, tough, rough, difficult)
1
uphill battle(expression, adjective, tough, rough, difficult)
1
vexatious(adjective, dull, difficult, boring)
0
galling(tough, severe, harsh, painful)
0
intricate(adjective, tough, rough, difficult)
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APASmart Define. (2016). tiring thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/tiring/thesaurus/synonyms
ChicagoSmart Define. 2016. "tiring thesaurus" https://smartdefine.org/tiring/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, tiring thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/tiring/thesaurus/synonyms>.
MLASmart Define. "tiring thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/tiring/thesaurus/synonyms>