Synonyms|768Antonyms|230|Broader|9Narrower|0Related|1.3k

87 entries under rough topic. ×

1
vexatious(adjective, hard, severe, evil)
1
vicious(adjective, hard, evil, nasty)
1
vile(adjective, hard, evil, nasty)
0
scabrous(adjective, tough, difficult, heavy)
0
stern(appearance, difficult, terrible, hopeless)
0
toucher(rude, hostile)
0
unsparing(adjective, tough, difficult, heavy)
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APASmart Define. (2015). formidable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/formidable/thesaurus/synonyms
ChicagoSmart Define. 2015. "formidable thesaurus" https://smartdefine.org/formidable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, formidable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/formidable/thesaurus/synonyms>.
MLASmart Define. "formidable thesaurus" 17 July 2015. Web. 21 September 2026. <https://smartdefine.org/formidable/thesaurus/synonyms>