diligent
Cross references: 1. busy dil.i.gent \'dil-*-j*nt\ aj [ME, fr. MF, fr. L diligent-, diligens, fr. prp. of diligere]to esteem, love, fr. di- + legere to select - more at LEGEND : characterized by steady, earnest, and energetic application and effort : PAINSTAKING - dil.i.gent.ly av