[ in-duhs-tree-uhs ]
/ ɪnˈdʌs tri əs /


working energetically and devotedly; hard-working; diligent: an industrious person.
Obsolete. skillful.

Origin of industrious

1525–35; < Middle French industrie “cleverness, skill,” from Old French industrie “contrivance, device,” from Latin industrius “diligent, assiduous”; equivalent to indo-, by-form of in-in-2 + -struus, noun derivative of struere “to arrange, devise, build”

Related forms

Can be confused

industrial industrious

Synonym study

1. See busy. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for industrious

British Dictionary definitions for industrious


/ (ɪnˈdʌstrɪəs) /


hard-working, diligent, or assiduous
an obsolete word for skilful

Derived Forms

industriously, adverbindustriousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012