Synonyms|1.2kAntonyms|136|Broader|24Narrower|25Related|597

109 entries under hard topic. ×

3
uncompliant(adjective, set, stiff, resolute)
2
callous(adjective, mean, tough, severe)
2
hard-boiled(adjective, mean, tough, rough)
2
hard-line(adjective, tough, rough, firm)
2
ironclad(adjective, set, cruel, determined)
2
mean(adjective, harsh, cross, hostile)
2
stringent(adjective, set, severe, stiff)
1
bullhead(adjective, mean, harsh, inflexible)
1
cold fish(expression, adjective, mean, stubborn)
1
confirmed(adjective, severe, rough, harsh)
1
dyed-in-the-wool(resolute, rigid, inflexible, strict)
1
hard-and-fast(adjective, set, stiff, rigid)
1
hard-hearted(adjective, mean, harsh, inflexible)
1
hard-shelled(adjective, tough, severe, rough)
1
indurate(adjective, mean, harsh, inflexible)
1
paradoxical(negative, hostile, different, tricky)
1
rough(adjective, tough, severe, harsh)
1
sober(moderate, rigid, cautious, timid)
1
thick-skinned(adjective, mean, harsh, inflexible)
1
tough nut to crack(expression, adjective, idiom, mean)
For more, visit Obstinate on Power Thesaurus
11 years ago|28k views|share |citing 
APASmart Define. (2015). obstinate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/obstinate/thesaurus/synonyms
ChicagoSmart Define. 2015. "obstinate thesaurus" https://smartdefine.org/obstinate/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, obstinate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/obstinate/thesaurus/synonyms>.
MLASmart Define. "obstinate thesaurus" 3 August 2015. Web. 28 September 2026. <https://smartdefine.org/obstinate/thesaurus/synonyms>