Synonyms|158Antonyms|59|Broader|3Narrower|4Related|94
1
permanence
1
plodding
1
plugging
1
preciseness(noun, meticulousness, fussiness, pedantry, trivialness)
1
precision(noun, meticulousness, fussiness, thoroughness)
1
preoccupation
1
regard
1
relentlessness
1
remark
1
resolution
1
respect
1
stability
1
stamina
1
staying power
1
strain
1
stubbornness
1
tenacity
1
thought
1
toil
1
vehemence
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ChicagoSmart Define. 2015. "assiduousness thesaurus" https://smartdefine.org/assiduousness/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, assiduousness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/assiduousness/thesaurus/synonyms>.
MLASmart Define. "assiduousness thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/assiduousness/thesaurus/synonyms>