ETYM French diligent, Latin diligens, -entis, p. pr. of diligere, dilectum, to esteem highly, prefer; di- = dis- + legere to choose. Related to Legend.
1. Characterized by care and perseverence in carrying out tasks.
2. Quietly and steadily persevering especially in detail or exactness; SYN. persevering.
Characterized by hard work and perseverance; SYN. industrious, tireless, untiring.