Definition of assiduous in English:

assiduous

Syllabification: as·sid·u·ous
Pronunciation: /əˈsijəwəs
 
/

adjective

Derivatives

assiduously

adverb
More example sentences
  • There I was placed in the hands of some of the most diligent professionals, who attended to me assiduously, trying to save my life.
  • I have assiduously searched my posts for any reference to a husband which may have caused this confusion, and find none.
  • Therefore, we must work assiduously to challenge the dominant role of the corporation in our lives and in our politics.

assiduousness

noun
More example sentences
  • On the contrary, these qualities are considered signs of assiduousness and punctiliousness.
  • But in one of the more heroic efforts in tennis history, he set about - with characteristic assiduousness and determination - trying to acquire a grass-court game in order to win it.
  • Apparently some famous violinist whose name escapes me wrote to his son (a violist): ‘You must practise with great assiduousness, since you do not wish to remain a violist for the whole of your life.’

Origin

mid 16th century: from Latin assiduus, from assidere 'be engaged in doing' (see assess), + -ous.

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