The definition of a blight is something that spoils or damages something, or a disease that affects plants, or a general state of neglect and disrepair in an urban area.(noun)
To blight is to spoil or destroy something or to cause an urban area to become run-down and neglected.(verb)
See blight in Webster's New World College Dictionary
Origin: ? akin to ME blichening, blight, rust (on grain) < bliknen, to lose color < ON blikja, turn pale: see bleach
See blight in American Heritage Dictionary 4
Origin: Origin unknown.
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