assiduous
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.as·sid·u·ous
adjective \ə-ˈsij-wəs, -ˈsi-jə-\Definition of ASSIDUOUS
: marked by careful unremitting attention or persistent application <an assiduous book collector> <tended her garden with assiduous attention>
— as·sid·u·ous·ly adverb
— as·sid·u·ous·ness noun
See Examples of ASSIDUOUS
- They were assiduous in their search for all the latest facts and figures.
- The project required some assiduous planning.
Origin of ASSIDUOUS
Latin assiduus, from assidēre
First Known Use: 1622
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