Synonyms|285Antonyms|41|Broader|5Narrower|6Related|131
5
tirelessness(noun, vigor, determination, persistence, diligence)
4
care(noun, activity, interest, notice, vigor)
4
determination(noun, vigor, diligence, productiveness, conscientiousness)
4
endurance(noun, extension, persistence, continuance)
4
energy(vigor, determination, application, industry, diligence)
4
indefatigability
4
laboriousness(noun, activity, care, vigor, intensity)
4
obstinacy
4
sedulity(noun, activity)
4
stamina
4
stubbornness
3
ardour
3
attentiveness(noun, activity, study, mind, care)
3
continuation(noun, addition, extension, persistence, maintenance)
3
engrossment(noun, mind, interest, notice, attention)
3
intentness(noun, activity, mind, interest, notice)
3
painstaking(adjective, activity)
3
resolve
3
stick-to-it-iveness
3
toil(noun, vigor, determination, diligence, productiveness)
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ChicagoSmart Define. 2015. "assiduity thesaurus" https://smartdefine.org/assiduity/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, assiduity thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/assiduity/thesaurus/synonyms>.
MLASmart Define. "assiduity thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/assiduity/thesaurus/synonyms>