189 entries under adjective topic. ×

1
lasting
1
lengthy
1
lewd(offensive, dirty, vulgar, indecent)
1
liege
1
long
1
long-drawn-out
1
long-lived
1
long-range
1
long-term
1
long haul
1
loving(close, correct, firm, honest)
1
mortified(strong, hard, tough, severe)
1
mulish(strong, hard, tough, severe)
1
obdurate(strong, hard, tough, firm)
1
obedient(close, correct, firm, honest)
1
on the level(expression, idiom, close, correct)
1
patriotic(close, correct, firm, honest)
1
permanent
1
perpetual
1
reliable(close, correct, honest, true)
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APASmart Define. (2016). hard-core thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hard-core/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard-core thesaurus" https://smartdefine.org/hard-core/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, hard-core thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hard-core/thesaurus/synonyms>.
MLASmart Define. "hard-core thesaurus" 28 March 2016. Web. 26 September 2026. <https://smartdefine.org/hard-core/thesaurus/synonyms>