14
yob(noun, bad, temper, brave, bull)
13
determined(adjective, clear, strong, hard, severe)
13
formidable(adjective, strong, severe, difficulty, rough)
13
glutinous(adjective, feature, characteristic, structure, viscous)
13
goon(noun, person, mean, attack, slang)
13
hector(noun, bad, temper, brave, bully)
13
savage(adjective, hard, rough, harsh, violent)
13
strapping(adjective, person, body, strong, sound)
12
insensitive(noun, adjective, mean, hard, cool)
12
blackguard(noun, bad, temper, brave, rebel)
12
bovver boy(noun, bad, temper, brave, rebel)
12
heavy(noun, adjective, good, person, dull)
12
husky(adjective, person, body, strong, fresh)
12
lager lout(noun, bad, temper, brave, rebel)
12
rocky(adjective, firm, stiff, rigid, troubled)
12
ropy(adjective, feature, characteristic, thin, vigorous)
12
sinewy(adjective, strong, sound, fit, thin)
12
sound(adjective, calm, strong, fit, firm)
12
steadfast(adjective, calm, clear, strong, severe)
12
substantial(adjective, calm, strong, hard, solid)
10 years ago|60k views|share |citing 
APASmart Define. (2016). tough thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/tough/thesaurus/synonyms
ChicagoSmart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, tough thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>.
MLASmart Define. "tough thesaurus" 30 March 2016. Web. 25 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms>