62 entries under persistent topic. ×

22
severe(adjective, hard, tough, easy, severe)
18
strict(adjective, hard, tough, easy, severe)
14
rigid(adjective, hard, tough, easy, severe)
13
stern(adjective, hard, easy, severe, rough)
12
exigent(adjective, hard, tough, firm, difficult)
11
troublesome(adjective, hard, tough, severe, difficult)
5
relentless(adjective, severe, difficult, obstinate)
4
cantankerous(adjective, severe, difficult, cross)
4
clamorous(adjective, hard, tough, firm, difficult)
4
contrary(adjective, severe, difficult, cross)
4
firm(adjective, obstinate, insistent, dogged)
4
insistent(adjective, hard, tough, firm, difficult)
4
urgent(adjective, hard, tough, firm, difficult)
3
determined(adjective, obstinate, insistent, dogged)
3
hidebound(adjective, severe, obstinate, insistent)
3
importunate(adjective, hard, tough, firm, difficult)
3
intractable(adjective, tough, obstinate, problematic)
3
pressing(verb, adjective, hard, tough, firm)
2
adamant(adjective, obstinate, insistent, dogged)
2
crying(adjective, firm, important, serious)
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APASmart Define. (2015). demanding thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/demanding/thesaurus/synonyms
ChicagoSmart Define. 2015. "demanding thesaurus" https://smartdefine.org/demanding/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, demanding thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/demanding/thesaurus/synonyms>.
MLASmart Define. "demanding thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/demanding/thesaurus/synonyms>