79
diligent(adjective, work, keen, strain, intense)
32
assiduous(adjective, work, strain, firmness, thorough)
30
industrious(adjective, work, keen, strain, intense)
24
sedulous(adjective, work, strain, firmness, thorough)
18
ambitious(adjective, work, labour, multitask)
18
determined
13
laborious(adjective, work, labour, industrious, multitask)
11
conscientious(adjective, work, strain, firmness, thorough)
10
earnest(adjective, thorough, meticulous, painstaking)
10
purposeful(adjective, keen, intense, energetic, enthusiastic)
7
workaholic
6
studious(adjective, thoughtful, serious, attentive, meticulous)
5
painstaking(adjective, careful, thorough, meticulous, industrious)
5
persevering(adjective, thorough, meticulous, painstaking)
4
energetic(adjective, work, keen, intense, lively)
4
meticulous(adjective, careful, thorough, industrious, assiduous)
4
vigorous
4
punctilious(adjective, thorough, meticulous, painstaking)
4
committed(adjective, work, keen, strain, enthusiastic)
4
strenuous(adjective, thorough, meticulous, painstaking)
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APASmart Define. (2015). hard-working thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/hard-working/thesaurus/synonyms
ChicagoSmart Define. 2015. "hard-working thesaurus" https://smartdefine.org/hard-working/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, hard-working thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/hard-working/thesaurus/synonyms>.
MLASmart Define. "hard-working thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/hard-working/thesaurus/synonyms>