Synonyms|132Antonyms|7|Broader|1Narrower|0Related|63
1
leaden
1
lowering
1
oppressive
1
penal
1
penological
1
plaguey
1
punitive
1
punitory
1
retributive
1
rigorous
1
sapping
1
shocked
1
sonorous
1
sound
1
strained
1
strong
1
thick
1
tiresome
1
troublesome
1
vexatious
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APASmart Define. (2016). gruelling thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/gruelling/thesaurus/synonyms
ChicagoSmart Define. 2016. "gruelling thesaurus" https://smartdefine.org/gruelling/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, gruelling thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/gruelling/thesaurus/synonyms>.
MLASmart Define. "gruelling thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/gruelling/thesaurus/synonyms>