INDUSTRIOUS
hardworking, industrious, tireless, untiring
(adjective) characterized by hard work and perseverance
energetic, gumptious, industrious, up-and-coming
(adjective) working hard to promote an enterprise
Source: WordNet® 3.1
Etymology
Adjective
industrious (comparative more industrious, superlative most industrious)
Hard-working and persistent.
Synonyms
• See also industrious
Source: Wiktionary
In*dus"tri*ous, a. Etym: [L. industrius, industriosus: cf. F.
industrieux. See Industry.]
1. Given to industry; characterized by diligence; constantly,
regularly, or habitually occupied; busy; assiduous; not slothful or
idle; -- commonly implying devotion to lawful and useful labor.
Frugal and industrious men are commonly friendly to the established
government. Sir W. Temple.
2. Steadily and perseveringly active in a particular pursuit or aim;
as, he was negligent in business, but industrious in pleasure; an
industrious mischief maker.
Industrious to seek out the truth of all things. Spenser.
– In*dus"tri*ous*ly, adv.
– In*dus"tri*ous*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition