diligent
Performing with industrious concentration; hard-working and focused.
Adjective
- Performing with industrious concentration; hard-working and focused.
- Scientists are very diligent in their work.
Origin
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.