54 entries under problematical topic. ×

29
fatiguing(adjective, boring, exhausting, dull, difficult)
25
exhausting(adjective, difficult, dull, boring, tired)
25
wearying(adjective, boring, dull, difficult, tired)
18
wearisome(adjective, dull, tedious, stupid, difficult)
17
wearing(adjective, dull, difficult, boring, tired)
16
laborious(adjective, dull, tough, difficult, awkward)
12
arduous(adjective, dull, tough, difficult, awkward)
11
hard(adjective, dull, difficult, full, awkward)
11
strenuous(adjective, dull, tough, difficult, full)
9
difficult(adjective, dull, tough, awkward, boring)
9
toilsome(adjective, hard, tough, severe, rough)
8
burdensome(adjective, dull, tough, difficult, awkward)
7
onerous(adjective, dull, tough, difficult, awkward)
6
irksome(adjective, dull, difficult, stupid, awkward)
5
grueling(adjective, hard, tough, severe, difficult)
5
merciless(adjective, tough, severe, rough, difficult)
4
demanding(adjective, dull, tough, difficult, full)
3
uphill(adjective, hard, tough, rough, difficult)
2
Herculean(adjective, tough, rough, difficult, heavy)
2
backbreaking(adjective, hard, severe, rough, difficult)
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APASmart Define. (2016). tiring thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/tiring/thesaurus/synonyms
ChicagoSmart Define. 2016. "tiring thesaurus" https://smartdefine.org/tiring/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, tiring thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/tiring/thesaurus/synonyms>.
MLASmart Define. "tiring thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/tiring/thesaurus/synonyms>