INDUS'TRIOUS, adjective [Latin industrius, from industria.] 1. Diligent in business or study; constantly, regularly or habitually occupied in business; assiduous; opposed to slothful and idle. Frugal and industrious men are commonly friendly to the established government. 2. Diligent in a particular pursuit, or to a particular end; opposed to remiss or slack; as industrious to accomplish a journey, or to reconcile contending parties. 3. Given to industry; characterized by diligence; as an industrious life. 4. Careful; assiduous; as the industrious application of knowing men.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI