Synonyms|1kAntonyms|253|Broader|5Narrower|1Related|546

70 entries under rough topic. ×

3
toilsome(adjective, hard, tough, severe)
3
uphill(adjective, hard, tough, severe)
2
difficile(adjective, tough, difficult, heavy)
2
grinding(adjective, tough, severe, difficult)
2
hairy(adjective, tough, severe, difficult)
2
knotty(adjective, tough, severe, difficult)
2
operose(adjective, hard, tough, severe)
2
troublesome(adjective, hard, tough, severe)
1
backbreaking(adjective, hard, tough, severe)
1
complicated(adjective, tough, difficult, heavy)
1
distressing(adjective, tough, severe, difficult)
1
fatiguing(adjective, hard, tough, severe)
1
involved(adjective, tough, difficult, heavy)
1
irksome(adjective, tough, severe, difficult)
1
labored(adjective, hard, tough, difficult)
1
murder(adjective, hard, tough, severe)
1
scabrous(adjective, tough, difficult, heavy)
1
serious(adjective, strong, hard, tough, severe)
1
slavish(adjective, tough, difficult, heavy)
1
sticky(adjective, tough, difficult, heavy)
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ChicagoSmart Define. 2016. "rigorous thesaurus" https://smartdefine.org/rigorous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, rigorous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rigorous/thesaurus/synonyms>.
MLASmart Define. "rigorous thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/rigorous/thesaurus/synonyms>