Meaning of the word assiduity in English

What does assiduity mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

assiduity

US /ˌæs.ɪˈduː.ə.t̬i/
UK /ˌæs.ɪˈdʒuː.ə.ti/

Noun

constant or close application in work or study; diligence

Example:
Her assiduity in research led to a groundbreaking discovery.
He approached his studies with great assiduity.
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