Synonyms|577Antonyms|125|Broader|8Narrower|14Related|988
4
unremitting
4
unwearied
4
vigorous
4
watchful(adjective, considerate, cautious, responsive, helpful)
4
workaholic
3
aware(considerate, responsive, helpful)
3
bustling(adjective, active)
3
concentrated
3
conscionable(adjective, thorough, meticulous, painstaking)
3
determined
3
efficient(adjective, work, strain, firmness, labour)
3
engaged(adjective, keen, intense, energetic, lively)
3
enthusiastic
3
fussy(adjective, deliberate, thoughtful, precise, trivial)
3
nice
3
occupied(adjective, active, absorbed, working, engaged)
3
particular(adjective, thorough, meticulous, painstaking)
3
perseverant
3
plugging
3
relentless
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APASmart Define. (2015). assiduous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/assiduous/thesaurus/synonyms
ChicagoSmart Define. 2015. "assiduous thesaurus" https://smartdefine.org/assiduous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, assiduous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/assiduous/thesaurus/synonyms>.
MLASmart Define. "assiduous thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/assiduous/thesaurus/synonyms>