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ul·tra·high | \ ˌəl-trə-ˈhī 
\
\Definition of ultrahigh
: extremely or extraordinarily high ultrahigh speeds/temperatures a car designed for ultrahigh performance Eager to catch shoppers' eyes, television manufacturers are shipping TVs from the factory with brightness and contrast set ultrahigh.— Evan Ramstad
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Time Traveler for ultrahigh
The first known use of ultrahigh was in 1822
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