Origin: 1525–35; < L
industrius diligent, assiduous, OL
indostruus, perh. equiv. to
indo-, by-form of
in- in2 +
-struus, n. deriv. of
struere to arrange, devise, hence with presumed original sense “devising inwardly, secretly”
Related forms: in⋅dus⋅tri⋅ous⋅ly, adverb
in⋅dus⋅tri⋅ous⋅ness, noun
Synonyms:1. assiduous, sedulous, energetic.
See busy. Antonyms:
1. lazy, indolent.
[in-duhs-tree-uh