diligent
adjective /ˈdɪlɪdʒənt/
/ˈdɪlɪdʒənt/
(formal)- showing care and effort in your work or duties
- a diligent student/worker
Word OriginMiddle English: via Old French from Latin diligens, diligent- ‘assiduous’, from diligere ‘love, take delight in’.