assiduousness
assiduousness
nounDefinition of ASSIDUOUSNESS
attentive and persistent effort <with painstaking assiduousness investigators finally cracked the case of the stolen works of art>
Related Words application, attentiveness, attention, care, concentration; doggedness, perseverance, persistence, tenacity, tirelessness; bother, effort, effortfulness, pains, painstaking, trouble
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