DILIGENT

diligent

(adjective) characterized by care and perseverance in carrying out tasks; “a diligent detective investigates all clues”; “a diligent search of the files”

diligent, persevering

(adjective) quietly and steadily persevering especially in detail or exactness; “a diligent (or patient) worker”; “with persevering (or patient) industry she revived the failing business”

Source: WordNet® 3.1

Etymology

Adjective

diligent (comparative more diligent, superlative most diligent)

Performing with industrious concentration; hard-working and focused.

Synonyms

• See also industrious

Source: Wiktionary

Dil"i*gent, a. Etym: [F. diligent, L. diligens, -entis, p. pr. of diligere, dilectum, to esteem highly, prefer; di- = dis- + legere to choose. See Legend.]

1. Prosecuted with careful attention and effort; careful; painstaking; not careless or negligent. The judges shall make diligent inquisition. Deut. xix. 18.

2. Interestedly and perseveringly attentive; steady and earnest in application to a subject or pursuit; assiduous; industrious. Seest thou a man diligent in his business he shall stand before kings. Prov. xxii. 29. Diligent cultivation of elegant literature. Prescott.

Syn.

– Active; assiduous; sedulous; laborious; persevering; attentive; industrious.

Source: Webster’s Unabridged Dictionary 1913 Edition