Definition of assiduous in English:


See synonyms for assiduous

Translate assiduous into Spanish


  • Showing great care and perseverance.

    ‘she was assiduous in pointing out every feature’
    • ‘Yet the result of this assiduous attention to presentation was that the image became too self-conscious.’
    • ‘I accept that Larry could have been more assiduous in his search.’
    • ‘The manager has the right to expect that his workers will be careful and assiduous.’
    • ‘The leaders of the tribe began the assiduous task of sending the entire clan under miles of glacial ice, silently hoping to avoid catastrophe.’
    • ‘The early days of the Orchestra required assiduous fundraising efforts by its supporters, sometimes at considerable cost to themselves.’
    • ‘The opposition has been assiduous in considering the issues and developing solutions consistent with the principled position it has taken on the bill.’
    • ‘He has always been an assiduous listener to radio.’
    • ‘The member is being a very assiduous local member.’
    • ‘He was assiduous in his support for the subject.’
    • ‘This process was backed up by some assiduous courting of those ‘inferior’ partners even before they formally acceded.’
    • ‘Great advances were achieved in people's lives simply by the work of an assiduous and committed group of women on a massive scale.’
    • ‘The programme is assiduous in emphasising its Celtic credentials.’
    • ‘Some middle managers are assiduous in protecting their territory.’
    • ‘For the assiduous trekker who throws away the route map you can find a watering hole with rich across-the-pond life.’
    • ‘He was assiduous in checking and double checking dates in parish records and in the various census.’
    • ‘Plus, being an assiduous multi-tasker, he had other things he needed to accomplish on this record.’
    • ‘It is something of a myth that detectives solve crimes by assiduous collection of evidence.’
    • ‘His spin doctors have been so assiduous in building images of him that the real man has remained invisible behind them.’
    • ‘You can never quite relax, even with the most assiduous efforts at procrastination.’
    • ‘After a decade or so of assiduous tweezering, the brow hairs will indeed be discouraged and will not grow back.’
    diligent, careful, meticulous, thorough, sedulous, attentive, industrious, laborious, hard-working, conscientious, ultra-careful, punctilious, painstaking, demanding, exacting, persevering, unflagging, searching, close, elaborate, minute, accurate, correct, studious, rigorous, particular
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/əˈsijo͞oəs/ /əˈsɪdʒuəs/


Mid 16th century from Latin assiduus, from assidere ‘be engaged in doing’ (see assess), + -ous.