34 entries under obdurate topic. ×

1
hard(adjective, reasonable, sensible, sober, stiff)
1
hard-hearted(adjective, indifferent, detached, stiff, distant)
1
hard as nails(expression, adjective, idiom, tough, serious)
1
set in stone(expression, adjective, idiom, firm, determined)
1
steely(adjective, stiff, brutal, hard-hearted)
1
stiff(adjective, careless, cruel, apathetic, hard-hearted)
1
unimpressible(adjective, stiff, unfeeling, rigid, callous)
0
anesthetized(adjective, unfeeling, hard-hearted, nowhere)
0
bullhead(adjective, stiff, unfeeling, rigid, dogged)
0
coldblooded(adjective, unfeeling, callous, hard-hearted, disciplined)
0
cool cat(expression, adjective, unfeeling, hard-hearted, nowhere)
0
easy-going(adjective, unfeeling, hard-hearted, nowhere, untouched)
0
emotionless(adjective, unfeeling, factual, hard-hearted, nowhere)
0
feelingless(adjective, unfeeling, hard-hearted, crass, nowhere)
0
hard-bitten(adjective, careless, cruel, stiff, apathetic)
0
heartless(adjective, careless, cruel, apathetic, unfeeling)
0
indurate(adjective, stiff, rigid, hard-hearted)
0
iron-hearted(adjective, unfeeling, hard-hearted, nowhere)
0
nonemotional(adjective, unfeeling, hard-hearted, nowhere)
0
not influenced(expression, adjective, unfeeling, hard-hearted, untouched)
<12>
13 years ago|556 views|share |citing 
APASmart Define. (2013). hardboiled thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hardboiled/thesaurus/synonyms
ChicagoSmart Define. 2013. "hardboiled thesaurus" https://smartdefine.org/hardboiled/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2013, hardboiled thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hardboiled/thesaurus/synonyms>.
MLASmart Define. "hardboiled thesaurus" 18 May 2013. Web. 26 September 2026. <https://smartdefine.org/hardboiled/thesaurus/synonyms>