pref.
Pronunciation: ' h ī -p ə r
Function: adjective
Etymology: short for hyperactive
Date: circa 1942
1 : HIGH-STRUNG , EXCITABLE also : highly excited
2 : extremely active
pref.
Pronunciation: ' h ī -p ə r
Function: adjective
Etymology: short for hyperactive
Date: circa 1942
1 : HIGH-STRUNG , EXCITABLE also : highly excited
2 : extremely active
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012