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industrious

[in-duhs-tree-uh s] /ɪnˈdʌs tri əs/
adjective
1.
working energetically and devotedly; hard-working; diligent:
an industrious person.
2.
Obsolete, skillful.
Origin
1525-1535
1525-35; < Latin industrius diligent, assiduous, OL indostruus, perhaps equivalent to indo-, by-form of in- in2 + -struus, noun derivative of struere to arrange, devise, hence with presumed original sense “devising inwardly, secretly”
Related forms
industriously, adverb
industriousness, noun
nonindustrious, adjective
nonindustriously, adverb
nonindustriousness, noun
superindustrious, adjective
superindustriously, adverb
superindustriousness, noun
unindustrious, adjective
unindustriously, adverb
Can be confused
industrial, industrious.
Synonyms
1. assiduous, sedulous, energetic. See busy.
Antonyms
1. lazy, indolent.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un industrious

industrious

/ɪnˈdʌstrɪəs/
adjective
1.
hard-working, diligent, or assiduous
2.
an obsolete word for skilful
Derived Forms
industriously, adverb
industriousness, 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
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Word Origin and History for un industrious

industrious

adj.

"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.

Online Etymology Dictionary, © 2010 Douglas Harper
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