LATIN DICTIONARYLexicon Latīnum
English → Latin

“assiduous” in Latin

The English word assiduous itself goes back to Latin sedeō, through assiduus.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

assiduous
assiduus (constantly active): sedulus (busily active, bustling: opposed to piger): industrius (restlessly active in high matters: opposed to segnis): diligens (carefully and closely applying one’s thoughts and exertions to the attainment of an object). To be assiduous in any business, in re agenda, acrem et industrium esse.

Quick answer

What is the Latin word for assiduous?
The usual Latin words for “assiduous” are assiduus, sēdulus, industrius; also dīligō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.