Synonyms|577Antonyms|125|Broader|8Narrower|14Related|988

51 entries under thorough topic. ×

34
diligent(adjective, activity, work, keen, strain)
31
industrious(adjective, activity, work, keen, strain)
26
sedulous(adjective, activity, work, strain, difficult)
19
careful(adjective, meticulous, painstaking)
18
painstaking(adjective, activity, complete, energetic, vigorous)
16
hard-working(adjective, activity, work, strain, firmness)
15
attentive(adjective, deliberate, active, alert, careful)
13
persevering(adjective, keen, difficult, intense, energetic)
11
conscientious(adjective, work, tough, strain, exact)
11
scrupulous(adjective, careful, meticulous, painstaking)
9
earnest(adjective, meticulous, painstaking)
8
punctilious(adjective, careful, meticulous, painstaking)
7
exacting(adjective, careful, meticulous, painstaking)
6
heedful(adjective, meticulous, painstaking)
6
strenuous(adjective, meticulous, painstaking)
5
thoroughgoing(adjective, meticulous, painstaking)
4
exact(adjective, meticulous, painstaking)
4
finicky(adjective, meticulous, painstaking)
3
conscionable(adjective, meticulous, painstaking)
3
fussy(adjective, deliberate, thoughtful, precise, trivial)
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ChicagoSmart Define. 2015. "assiduous thesaurus" https://smartdefine.org/assiduous/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, assiduous thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/assiduous/thesaurus/synonyms>.
MLASmart Define. "assiduous thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/assiduous/thesaurus/synonyms>