1
: high-strung, excitable
also
: highly excited
was a little hyper after drinking too much coffee
2
: extremely active
hyper children
1
: above : beyond : super-
hypermarket
2
a
: excessively
hypersensitive
b
: excessive
hyperemia
3
: that is or exists in a space of more than three dimensions
hyperspace
4
: bridging points within an entity (such as a database or network) nonsequentially
hypertext
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Merriam-Webster unabridged
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