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

87 entries under rough topic. ×

1
lousy(adjective, bad, hard, evil)
1
low-down and dirty(expression, adjective, idiom, hard, evil)
1
lowest(rude, hostile, irritable, touchy)
1
malicious(adjective, hard, evil, nasty)
1
malign(adjective, hard, evil, nasty)
1
merciless(adjective, appearance, tough, severe)
1
perfidious(adjective, hard, evil, nasty)
1
pesky(adjective, hard, evil, nasty)
1
rotten(adjective, bad, hard, evil)
1
scurrilous(adjective, hard, evil, nasty)
1
shameless(adjective, hard, evil, nasty)
1
sinking(adjective, hard, evil, nasty)
1
snide(adjective, hard, evil, nasty)
1
sour(adjective, hard, evil, nasty)
1
toilful(adjective, tough, difficult, heavy)
1
touch(adjective, hard, evil, nasty)
1
unfriendly(adjective, hard, evil, nasty)
1
unpleasant(adjective, hard, tough, evil)
1
unscrupulous(adjective, hard, evil, nasty)
1
uphill battle(expression, adjective, tough, difficult)
For more, visit Formidable on Power Thesaurus
11 years ago|23k views|share |citing 
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>