49 entries under active topic. ×

34
diligent(adjective, activity, work, keen, strain)
31
industrious(adjective, activity, work, keen, strain)
26
sedulous(adjective, activity, work, strain, difficult)
20
tireless(adjective, work, strain, firmness)
15
attentive(adjective, deliberate, alert, careful)
13
persevering(adjective, keen, difficult, intense, energetic)
12
busy(adjective, work, keen, intense, energetic)
11
active(adjective, activity, keen, smart, difficult)
9
energetic(adjective, work, labour, multitask)
5
eager(adjective, determined, thoughtful, serious)
5
enterprising
4
dynamic
4
spirited
3
bustling
3
engaged(adjective, keen, intense, energetic, lively)
3
occupied(adjective, absorbed, working, engaged)
2
animated
2
employed(adjective, lively, busy, occupied)
2
engrossed(adjective, lively, busy, absorbed)
2
lively
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APASmart Define. (2015). assiduous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/assiduous/thesaurus/synonyms
ChicagoSmart Define. 2015. "assiduous thesaurus" https://smartdefine.org/assiduous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, assiduous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/assiduous/thesaurus/synonyms>.
MLASmart Define. "assiduous thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/assiduous/thesaurus/synonyms>