23 entries under firm topic. ×

51
determined(adjective, set, resolute, persistent)
48
resolute(adjective, set, determined, steady)
25
set(adjective, determined, resolute, persistent)
14
importunate(adjective, hard, tough, continue)
12
assertive(adjective, strong, energetic, aggressive)
12
exigent(adjective, hard, tough, difficult)
12
urgent(adjective, hard, tough, continue)
9
crying(adjective, prompt, important, fast)
9
clamant(adjective, important, serious, critical)
9
clamorous(adjective, hard, tough, difficult)
8
pressing(adjective, hard, tough, difficult)
7
forceful(adjective, strong, energetic, powerful)
5
certain(adjective, energetic, self-assured, self-confident)
4
burning(adjective, important, serious, critical)
4
demanding(adjective, hard, tough, difficult)
4
dire(adjective, important, serious, critical)
4
resounding(adjective, energetic, persistent, demanding)
4
sure(adjective, energetic, resolute, obstinate)
3
decided(adjective, set, energetic, determined)
3
decisive(adjective, set, important, determined)
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APASmart Define. (2015). insistent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/insistent/thesaurus/synonyms
ChicagoSmart Define. 2015. "insistent thesaurus" https://smartdefine.org/insistent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, insistent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/insistent/thesaurus/synonyms>.
MLASmart Define. "insistent thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/insistent/thesaurus/synonyms>