ASSIDUOUS Meaning of ASSIDUOUS in English transcription, транскрипция: [ əˈsɪdjuəs ]adj. 1 persevering, hard-working. 2 attending closely. øøassiduously adv. assiduousness n. [L assiduus (as ASSESS)] English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012