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Definition of hyperactive adjective from the Oxford Advanced Learner's Dictionary

hyperactive

adjective
 
/ˌhaɪpərˈæktɪv/
 
/ˌhaɪpərˈæktɪv/
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  1. (especially of children and their behaviour) too active and only able to keep quiet and still for short periods
    Oxford Collocations DictionaryHyperactive is used with these nouns:
    • child
    See full entry
    Word Originmid 19th cent.: from hyper- + active.
See hyperactive in the Oxford Advanced American Dictionary
Check pronunciation: hyperactive

Nearby words

halfway
adverb
 
 
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