diligent

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

  1. adjective quietly and steadily persevering especially in detail or exactness
  2. adjective characterized by care and perseverance in carrying out tasks

Etymology

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.

In classic literature

Synonyms

persevering

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