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hy·per·ac·tive

hyperactive

 
pronunciation:
haI pr aek tihv
features:
Word Parts
part of speech: adjective
definition: very active or stimulated beyond what is normal.
A hyperactive child often has trouble sitting quietly in school.
derivation: hyperactivity (n.)
Word Parts  About this feature
The word hyperactive contains the following parts:
hyper- Greek prefix that means over, beyond, excessive
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synonyms:
super-, supra-
antonyms:
hyp-, hypo-, sub-