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assiduous (B2)

adjective

Pronunciation: /əˈsɪdʒuəs/

Showing great care, attention, and effort; characterized by persistent, diligent work.

Her assiduous research uncovered vital clues that others had missed.
He was an assiduous student, always completing his assignments on time and to a high standard.
The team's assiduous efforts over several months finally led to the project's successful completion.

assiduous in (prepositional phrase): Showing great care and effort in a specific area or task. — "He was assiduous in his pursuit of knowledge."
assiduous about (prepositional phrase): Showing great care and effort regarding something. — "She is very assiduous about maintaining her garden."

Words with a similar meaning to assiduous:

Words with the opposite meaning to assiduous: