assiduous

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assiduous

  • /əˈsɪdjuːəs/ UK
  • /əˈsɪd͡ʒuːəs/ UK
  • /əˈsɪd͡ʒu.əs/ US

Where it comes from

A learned borrowing from Latin assiduus, from assidere (“to sit down to”), from ad- (“to”) + sedere (“to sit”). Compare sedulous.

Cognate (via assidere) to assess.

adjective more assiduous · most assiduous

  1. Hard-working, diligent or regular (in attendance or work); industrious. He was officious in the right time and place, quiet as a lamb when his patron seemed inclined to study or to muse, active and assiduous to assist or divert him whenever it seemed to be wished.

    Similar: meticulous, diligent, sedulous, assiduous, dogged, hardworking, industrious, notable, studious, painstaking, worksome

Translations

Every language

adj hard-working

Españolasiduo
한국어부지런한 bujireonhan
日本語真面目 majime
Portuguêsassíduo, trabalhador, diligente
Françaisassidu
Deutschfleißig, geflissen, gewissenhaft
Italianoassiduo
Ελληνικάεπιμελής epimelís, εργατικός ergatikós
Românăasiduu, stăruitor, harnic
Русскийстара́тельный starátelʹnyj, приле́жный priléžnyj, усе́рдный usérdnyj

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Cite this
MLA

"assiduous." Wiktionary, via Micwyn, micwyn.com/word/assiduous. Accessed 6 Nov. 2026.

APA

assiduous. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/assiduous

Chicago

"assiduous." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/assiduous.

BibTeX
@misc{assiduous_2026,
  title = {assiduous},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/assiduous},
  urldate = {2026-11-06}
}