Assiduous Definition
ə-sĭjo͝o-əs
adjective
Showing or characterized by persistent attention or untiring application.
An assiduous worker who strove for perfection; did assiduous research before writing the book.
American Heritage
Done with constant and careful attention.
Webster's New World
Diligent; persevering.
Webster's New World
Hard-working, diligent or regular (in attendance or work); industrious.
Wiktionary
Synonyms:
Antonyms:
Origin of Assiduous
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From Latin assiduus from assidēre to attend to ad- ad- sedēre to sit sed- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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From Latin assiduus, from assidere (“to sit down to”), from ad- (“to”) + sedere (“to sit”).
From Wiktionary
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Cognate (via assidere) to assess.
From Wiktionary
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