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assiduous

1 ENTRIES FOUND:
assiduous ˈsɪʤəwəs/ adjective
assiduous
ˈsɪʤəwəs/
adjective
Britannica Dictionary definition of ASSIDUOUS
[more assiduous; most assiduous] formal
: showing great care, attention, and effort

— assiduity

/ˌæsəˈduːwəti/ Brit /ˌæsəˈdjuːwəti/ noun [noncount]

— assiduously

adverb

— assiduousness

noun [noncount]