( 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.
( 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.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012