sus·tained | \ sə-ˈstānd 
\
\Definition of sustained
: maintained at length without interruption or weakening : lasting, prolonged sustained winds providing sustained support sustained applause sustained flight They can run at sustained speeds of up to 19 mph for considerable distances, and usually only make short flights in order to escape danger or flush prey.— Marcy Scott This degenerative disorder is theoretically caused by excessive and sustained forces of compression.— Tracy A. Turner
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Time Traveler for sustained
The first known use of sustained was in 1775
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