From Longman Dictionary of Contemporary Englishassiduousas‧sid‧u‧ous /əˈsɪdjuəs $ -dʒuəs/ adjective formal CAREFULvery careful to make sure that something is done properly or completely SYN meticulousassiduous in He was assiduous in his attendance at church. —assiduously adverb Even young children worked assiduously for a reward. —assiduity /ˌæsəˈdjuːəti $ -ˈduː-/ noun [uncountable]
Examples from the Corpus
assiduous• Such assiduous attention has never been directed at this market before.• Members of congress increasingly came to believe that they could insulate themselves against electoral defeat by assiduous attention to constituency casework.• But even in the midst of these minefields, assiduous efforts have been made to fashion a safe passageway.• Each patient had three or four attendants that night devoted to providing him or her the most assiduous service.• Maybe I was too young because I fear I was not an assiduous student.• an assiduous study of Austen's writingsOrigin assiduous (1500-1600) Latin asiduus, from assidere; → ASSESS 