Synonyms|380Antonyms|89|Broader|1Narrower|0Related|1.1k

30 entries under hard topic. ×

19
arduous(adjective, tough, severe, difficult)
15
laborious(adjective, tough, severe, difficult)
12
backbreaking(adjective, tough, severe, difficult)
10
heavy(adjective, tough, severe, difficult)
9
toilsome(adjective, tough, severe, difficult)
8
tiring(verb, adjective, tough, severe)
7
trying(verb, adjective, tough, difficult)
7
fatiguing(adjective, tough, severe, difficult)
7
painful(adjective, tough, severe, difficult)
7
severe(adjective, tough, difficult, harsh)
6
exhausting(adjective, tough, severe, difficult)
6
strenuous(adjective, tough, severe, difficult)
5
difficult(adjective, tough, severe, harsh)
5
effortful(adjective, tough, difficult, awkward)
5
tough(adjective, difficult, problematic, trying)
5
onerous(adjective, tough, difficult, heavy)
4
operose(adjective, tough, difficult, awkward)
4
burdensome(adjective, tough, severe, difficult)
4
troublesome(adjective, tough, severe, difficult)
4
labored(adjective, tough, difficult, awkward)
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APASmart Define. (2015). grueling thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/grueling/thesaurus/synonyms
ChicagoSmart Define. 2015. "grueling thesaurus" https://smartdefine.org/grueling/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, grueling thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/grueling/thesaurus/synonyms>.
MLASmart Define. "grueling thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/grueling/thesaurus/synonyms>