Share this entry
assiduous Line breaks: as¦sidu|ous
Pronunciation: /əˈsɪdjʊəs/

Definition of assiduous in English:


Showing great care and perseverance: she was assiduous in pointing out every feature
More example sentences
  • 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.
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;
pedantic, fussy


Pronunciation: /əˈsɪdjʊəsnəs/
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.’


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

Words that rhyme with assiduous

Definition of assiduous in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources

Related Words