diligent

Meanings

1. 1
   adj

   Working hard and carefully, paying attention to detail.

   A diligent student reviews her notes after every class.

From Middle English diligent, from Old French diligent, from Latin dīligēns (“careful, attentive, diligent”), present participle of dīligō (“to love, esteem much”, literally “to choose, select”), from dī-, dis- (“apart”) + legō (“to choose”); see elect and select.

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