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hypabyssal
hypaesthesia
hypaethral
hypallage
hypanthium
hype (1)
hype (2)
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hyper
hy·per [ hpər ]


adjective 
Definition:
 
1. excessively active: behaving in an overexcited or hyperactive way
2. excitable: easily excited, or having a high-strung temperament
[Mid-20th century. Shortening of hyperactive]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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