25
exhausting(adjective, laborious, dull, difficult, boring)
25
tiring(adjective, boring, exhausting, verb, dull)
17
unsurprising
17
wearying(adjective, boring, dull, difficult, tired)
15
wearisome(adjective, dull, difficult, boring, tedious)
14
hard(adjective, dull, difficult, awkward, boring)
13
arduous(adjective, dull, difficult, awkward, boring)
13
boring(adjective, dull, tedious, irritating, exasperating)
13
wearing(adjective, dull, difficult, boring, tired)
12
difficult(adjective, dull, awkward, boring, tired)
12
enervating(adjective, annoying, exhausting, verb, dull)
12
laborious(adjective, dull, hard, difficult, awkward)
11
draining(adjective, verb, tired, fatigue, trying)
11
tedious(adjective, dull, boring, monotonous, irritating)
10
tiresome(adjective, dull, severe, harsh, heavy)
10
tough(adjective, dull, difficult, boring, tired)
9
burdensome(adjective, dull, difficult, awkward, boring)
9
dull(adjective, boring, tedious, irritating, exasperating)
8
irksome(adjective, dull, difficult, awkward, boring)
7
debilitating(adjective, verb, trying, exhausting, tiresome)
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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>