The antonyms of un-industrious are diligent, hardworking, assiduous, industrious, active, efficient, productive, and zealous. Diligent people are attentive and persistent in their work, showing scrupulous attention to detail. Hardworking people are dedicated to achieving their goals and consistently work towards achieving them. Assiduous individuals demonstrate great care and attention to detail, working diligently to complete tasks with the utmost efficacy. Industrious people are hardworking, productive, and dedicated to churning out quality work. An active person is constantly moving and working towards their goals. Efficient people work smarter not harder, and constantly seek ways to cut down on unnecessary efforts. Productive people are able to churn out copious amounts of work without compromising on quality.