AskDefine | Define assiduous

Dictionary Definition

assiduous adj : marked by care and persistent effort; "her assiduous attempts to learn French"; "assiduous research"; "sedulous pursuit of legal and moral principles" [syn: sedulous]

User Contributed Dictionary



From assiduus, from assidere, from ad + sedere.


  • a UK /əˈsɪdʒ.jʊ.əs/ /@"sIdZ.jU.@s/


  1. Hard-working, diligent or regular (in attendance or work); industrious.
    He was assiduous in his attendance at church.

Derived terms


hard-working, diligent

Extensive Definition

Diligence may refer to:

Synonyms, Antonyms and Related Words

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