assiduous
1 ENTRIES FOUND:
Britannica Dictionary definition of ASSIDUOUS
[more assiduous; most assiduous]
formal
:
showing great care, attention, and effort
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They were assiduous in their search for all the latest facts and figures.
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The project required some assiduous planning.
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assiduous [=diligent] students
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the assiduity [=diligence] of the students
— assiduously
adverb-
He worked assiduously [=diligently] to improve his grades.
— assiduousness
noun [noncount]-
the assiduousness [=diligence] of the students
