: 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
Cite this Entry
“Sustained.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sustained. Accessed 3 Jul. 2025.
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