2
formidable(adjective, hard, tough, severe, rough)
2
heavy(adjective, dull, tough, difficult, awkward)
2
insipid
2
jejune
2
killing
2
lifeless(adjective, dull, flat, stupid, dry)
2
operose(adjective, hard, tough, rough, difficult)
2
painful(adjective, hard, tough, severe, difficult)
2
rough(adjective, hard, tough, difficult, heavy)
2
run-of-the-mill
2
sapping(verb, difficult, tedious, demanding, strenuous)
2
stodgy(adjective, dull, flat, stupid, dead)
2
strong
2
stuffy(adjective, dull, flat, stupid, dead)
2
troublesome(adjective, hard, tough, severe, rough)
2
tuckering(verb, fatiguing)
2
tyring
2
vapid
2
vexing
2
weariful(adjective, boring)
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APASmart Define. (2016). tiring thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/tiring/thesaurus/synonyms
ChicagoSmart Define. 2016. "tiring thesaurus" https://smartdefine.org/tiring/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, tiring thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/tiring/thesaurus/synonyms>.
MLASmart Define. "tiring thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/tiring/thesaurus/synonyms>