64 entries under tough topic. ×

31
wearisome(adjective, dull, simple, excite)
15
tiring(adjective, dull, flat, stupid)
11
troublesome(adjective, hard, severe, pain)
11
trying(adjective, hard, severe, fatigue)
8
irritating(adjective, hard, severe, pain)
7
heavy(adjective, dull, flat, difficult)
6
difficult(adjective, hard, severe, heavy)
5
galling(severe, harsh, pain, heavy)
5
toilsome(adjective, hard, severe, harsh)
4
demanding(adjective, hard, severe, harsh)
2
arduous(adjective, hard, severe, harsh)
2
exacting(adjective, severe, harsh, heavy)
2
grueling(severe, harsh, heavy, painful)
2
stiff(difficult, boring, tedious, problematic)
2
strenuous(adjective, hard, severe, harsh)
1
intractable(grim, problematic, trying, troublesome)
1
painful(hard, severe, harsh, offensive)
1
refractory(grim, problematic, trying, troublesome)
1
rigid(grim, problematic, trying, troublesome)
1
severe(hard, harsh, offensive, heavy)
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APASmart Define. (2016). tiresome thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/tiresome/thesaurus/synonyms
ChicagoSmart Define. 2016. "tiresome thesaurus" https://smartdefine.org/tiresome/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, tiresome thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/tiresome/thesaurus/synonyms>.
MLASmart Define. "tiresome thesaurus" 19 February 2016. Web. 30 September 2026. <https://smartdefine.org/tiresome/thesaurus/synonyms>