155 entries under persistent topic. ×

1
hard-as-nails(adjective, serious, resolute, unwavering)
1
hard-line(adjective, obstinate, insistent, dogged)
1
hard-shell(adjective, obstinate, insistent, dogged)
1
hard-shelled(adjective, obstinate, insistent, dogged)
1
hard as nails(expression, adjective, idiom, tough, firm)
1
hardboiled(adjective, serious, resolute, unwavering)
1
harsh(adjective, cruel, determined, fierce)
1
immobile(adjective, intense, cruel, resolute)
1
inhuman(adjective, harsh, cruel, determined, fierce)
1
insurgent(adjective, obstinate, insistent, dogged)
1
intense(adjective, firm, sensible, solid, deliberate)
1
inveterate(adjective, obstinate, insistent, dogged)
1
liege(adjective, firm, sensible, solid, intense)
1
mean business(expression, adjective, intense, deliberate, cruel)
1
merciless(adjective, harsh, cruel, determined, fierce)
1
mortal(adjective, harsh, cruel, determined, fierce)
1
mutinous(adjective, obstinate, insistent, dogged)
1
never-failing(adjective, firm, solid, intense, steady)
1
on ice(expression, adjective, serious, resolute)
1
ornery(tough, firm, unreasonable, grim)
11 years ago|3.3k views|share |citing 
APASmart Define. (2015). single-minded thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/single-minded/thesaurus/synonyms
ChicagoSmart Define. 2015. "single-minded thesaurus" https://smartdefine.org/single-minded/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, single-minded thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/single-minded/thesaurus/synonyms>.
MLASmart Define. "single-minded thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/single-minded/thesaurus/synonyms>