1
rigorous(adjective, hard, tough, severe, rough)
1
rugged(adjective, tough, rough, difficult, heavy)
1
scabrous(adjective, tough, rough, difficult, heavy)
1
scanning
1
scaring
1
sedating(verb, boring)
1
serious(adjective, tough, severe, rough, difficult)
1
severe(adjective, hard, tough, rough, difficult)
1
shattering
1
sickening
1
skimming
1
slavish(adjective, tough, rough, difficult, heavy)
1
slow
1
solid
1
spiritless(adjective, dull, flat, stupid, dead)
1
sticky(adjective, tough, rough, difficult, heavy)
1
stressful(adjective, state, stress, nerve)
1
stupefyingly boring
1
stuporific
1
tame(adjective, dull, flat, stupid, dead)
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APASmart Define. (2016). tiring thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/tiring/thesaurus/synonyms
ChicagoSmart Define. 2016. "tiring thesaurus" https://smartdefine.org/tiring/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, tiring thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tiring/thesaurus/synonyms>.
MLASmart Define. "tiring thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/tiring/thesaurus/synonyms>