How do you spell Industrious

Available Definitions:
1) a. - 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.
2) a. - Steadily and perseveringly active in a particular pursuit or aim; as, he was negligent in business, but industrious in pleasure; an industrious mischief maker.