Etymology: Middle English, from Anglo-French, from Latin diligent-, diligens, from present participle ofdiligere to esteem, love, from di- (from dis- apart) + legere to select — more at legend
Date: 14th century
: characterized by steady, earnest, and energetic effort : painstaking
Really? Busy is synonymous with DILIGENT? If that is the case, I am the most diligent person around these days.