Definition of effectually adverb from the Oxford Advanced Learner's Dictionary

 

effectually

 adverb
adverb
BrE BrE//ɪˈfektʃuəli//
 
; NAmE NAmE//ɪˈfektʃuəli//
 
 
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in a way that produces a particular result Napoleon's progress was effectually stopped by the deep Russian winter. Effectually is used to talk about things, not people.