Synonyms|71Antonyms|0|Broader|1Narrower|0Related|0
1
pertinacious(sharp, determined, practical, shrewd, obstinate)
1
pigheaded(sharp, determined, practical, shrewd, obstinate)
1
resolute(sharp, determined, steady, fixed, practical)
1
steadfast
1
tenacious(determined, obstinate, stubborn, relentless, unwavering)
1
unbending(determined, obstinate, stubborn, relentless, unwavering)
1
uncompromising(steady, fixed, impassive, inflexible, obstinate)
1
unshakable
1
unwavering
1
unyielding(sharp, determined, steady, fixed, practical)
0
awkward(obstinate, stubborn, willful)
0
cantankerous(obstinate, stubborn, willful)
0
contrary(obstinate, stubborn, willful)
0
determined
0
difficult(obstinate, stubborn, willful)
0
fractious(obstinate, stubborn, willful)
0
hardboiled(adjective, firm, dogged, immovable, level-headed)
0
headstrong(sharp, practical, shrewd, obstinate, stubborn)
0
incompliant(obstinate, stubborn, willful)
0
incurable(obstinate, stubborn, willful)
For more, visit Tough_nut on Power Thesaurus
15 years ago|293 views|share |citing 
APASmart Define. (2011). tough nut thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/tough_nut/thesaurus/synonyms
ChicagoSmart Define. 2011. "tough nut thesaurus" https://smartdefine.org/tough_nut/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2011, tough nut thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/tough_nut/thesaurus/synonyms>.
MLASmart Define. "tough nut thesaurus" 23 May 2011. Web. 26 September 2026. <https://smartdefine.org/tough_nut/thesaurus/synonyms>