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

hyper

adjective
 
/ˈhaɪpə(r)/
 
/ˈhaɪpər/
 (informal)
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  1. excited and nervous; having too much nervous energyTopics Feelingsc2, Personal qualitiesc2
    Word Origin1940s: abbreviation of hyperactive.
See hyper in the Oxford Advanced American Dictionary
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halfway
adverb
 
 
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