- working energetically and devotedly; hard-working; diligent: an industrious person.
- Obsolete. skillful.
- hard-working, diligent, or assiduous
- an obsolete word for skilful
“characterized by energy, effort, and attention,” 1520s (implied in industriously), from Middle French industrieux and directly from Late Latin industriosus, from Latin industria (see industry). Retains the etymological sense. Related: Industriousness.