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assiduous
/əˈsɪdʒuəs/
diligent and persistent
She was assiduous in her research, spending hours in the library every day.
She worked very hard and consistently on her research without giving up.
formal
Showing great care, attention, and effort in work or duties.
The assiduous student completed every assignment ahead of schedule.
The student who worked very hard finished all tasks early.
An assiduous approach to learning ensures steady progress.
Working diligently at studying leads to consistent improvement.
Often used to describe someone who is thorough and persistent, especially in academic or professional settings.
Collocations
assiduous workhard and careful workassiduous studenta very hardworking studentassiduous effortpersistent and careful effort
Pro Tip
Use in academic writing
Use 'assiduous' to describe someone's dedication to their studies or research, e.g., 'The assiduous scholar published groundbreaking work in her field.'
Gold Rule
Avoid overuse
Use 'assiduous' sparingly, as it is a strong word. Reserve it for situations where someone's effort is truly exceptional.
Word Origin
From Latin *assiduus* (constant, persistent), derived from *assidere* (to sit beside, attend to), from *ad-* (to) + *sedere* (to sit).
Usage Notes
The word carries a tone of respect and admiration for someone's dedication. It is typically used in formal or written contexts rather than casual conversation.
Word Breakdown
as-
to, toward
prefix-sid-
to sit
root-uous
full of, having the quality of
suffixEnglish Dictionary