3
humdrum(adjective, dull, boring, tedious, dreary)
3
insipid
3
punishing
3
straining
2
boresome(adjective, dull, boring, tired, tedious)
2
common
2
demanding(adjective, dull, difficult, awkward, boring)
2
depleting(verb, adjective, trying, exhausting, tiring)
2
drudging(adjective, dull, boring, tedious, dreary)
2
dry-as-dust
2
exasperating(adjective, dull, boring, tired, tedious)
2
fagging
2
flagging(verb, adjective)
2
forced
2
frazzling
2
grueling(adjective, hard, tough, severe, difficult)
2
irritating(adjective, dull, boring, tired, tedious)
2
killing
2
prosaic
2
uninspiring
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APASmart Define. (2015). fatiguing thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fatiguing/thesaurus/synonyms
ChicagoSmart Define. 2015. "fatiguing thesaurus" https://smartdefine.org/fatiguing/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, fatiguing thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fatiguing/thesaurus/synonyms>.
MLASmart Define. "fatiguing thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/fatiguing/thesaurus/synonyms>