прилагательное усердный, прилежный; неутомимый, старательный, трудолюбивый Синоним(ы): diligent
adjective Etymology: Latin assiduus, from assidēre marked by careful unremitting attention or persistent application Example: an assiduous book collector Example: tended her garden with assiduous attention Synonyms: see busy • assiduously adverb • assiduousness noun