industriously

UK: /ɪnˈdʌstrɪəslɪ/

WordReference Random House Learner's Dictionary of American English © 2026

in•dus•tri•ous /ɪnˈdʌstriəs/   adj. 

1. hard-working;
   diligent:
   an industrious person.

in•dus•tri•ous•ly, adv. 
in•dus•tri•ous•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2026

in•dus•tri•ous  (in dus′trē əs), adj. 

1. working energetically and devotedly;
   hard-working;
   diligent:
   an industrious person.
2. [Obs.] skillful.

• Latin industrius diligent, assiduous, Old Latin indostruus, perh. equivalent. to indo-, by-form of in- in² + -struus, noun, nominal derivative of struere to arrange, devise, hence with presumed original sense "devising inwardly, secretly''
• 1525–35

in•dus′tri•ous•ly, adv. 
in•dus′tri•ous•ness, n. 
Synonyms

• 1. assiduous, sedulous, energetic. See busy. 

Antonyms

• 1. lazy, indolent.