1
self-willed(determined, impulsive, stubborn, reckless, impetuous)
1
sensual(offensive, dirty, vulgar, indecent, lewd)
1
serious(adjective, strong, hard, tough, severe)
1
set
1
severe(adjective, strong, hard, tough, harsh)
1
sincere(adjective, close, correct, firm, honest)
1
smutty(offensive, dirty, coarse, vulgar, indecent)
1
standing
1
steady(adjective, close, correct, firm, honest)
1
stiff-necked(adjective, strong, hard, tough, severe)
1
straight(adjective, close, correct, firm, honest)
1
strict(adjective, close, strong, hard, tough)
1
string along with(expression, adjective, idiom, close, correct)
1
strong-minded(determined, impulsive, stubborn, reckless, impetuous)
1
suggestive(coarse, vulgar, indecent, naughty, lewd)
1
sure(adjective, close, correct, firm, honest)
1
timeless
1
totally committed
1
tough(adjective, strong, hard, severe, firm)
1
tried(adjective, close, correct, firm, honest)
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APASmart Define. (2016). hard-core thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hard-core/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard-core thesaurus" https://smartdefine.org/hard-core/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, hard-core thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hard-core/thesaurus/synonyms>.
MLASmart Define. "hard-core thesaurus" 28 March 2016. Web. 23 September 2026. <https://smartdefine.org/hard-core/thesaurus/synonyms>