[blight] n [origin unknown] (1611) 1 a: a disease or injury of plants resulting in withering, cessation of growth, and death of parts without rotting b: an organism that causes blight
2: something that frustrates plans or hopes
3: something that impairs or destroys
4: a deteriorated condition "urban ~"
[2]blight vt (1695) 1: to affect (as a plant) with blight
2: to cause to deteriorate ~ vi: to suffer from or become affected with blight