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English definition of “greatly”

greatly

adverb uk   /ˈɡreɪt.li/ us  
B2 very much, used especially to show how much you feel or experience something: I greatly regret not having told the truth. Her piano playing has greatly improved/has improved greatly.Very and extremeComplete and wholeIntensifying expressions
(Definition of greatly from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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