166 entries under adjective topic. ×

3
determined
3
efficient(work, strain, firmness, labour)
3
engaged(keen, intense, energetic, lively)
3
enthusiastic
3
fussy(deliberate, thoughtful, precise, trivial)
3
occupied(active, absorbed, working, engaged)
3
particular(thorough, meticulous, painstaking)
3
plugging
3
resolved
3
thoughtful(sober, serious, considerate, prudent)
2
animated
2
awake(considerate, responsive, helpful)
2
committed(work, strain, firmness, labour)
2
considerate(responsive, helpful)
2
employed(lively, active, busy, occupied)
2
engrossed(lively, active, busy, absorbed)
2
firm
2
fussbudget(thorough, meticulous, painstaking)
2
lively
2
moving
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APASmart Define. (2015). assiduous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/assiduous/thesaurus/synonyms
ChicagoSmart Define. 2015. "assiduous thesaurus" https://smartdefine.org/assiduous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, assiduous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/assiduous/thesaurus/synonyms>.
MLASmart Define. "assiduous thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/assiduous/thesaurus/synonyms>