Assiduousness

as;sid;u;ous pronunciation: function: adjective etymology: latin assiduus, from assidēredate: 1622 : marked by careful unremitting attention or persistent application lt;an assiduous book collectorgt; lt;tended her garden with assiduous attentiongt;synonyms see busy— as;sid;u;ous;ly adverb — as;sid;u;ous;ness noun