Blight

Blight-n
1-something that spoils or damages things severely
2-a severely spoiled or ruined state, especially of an urban area
3-a plant disease, caused by bacteria, fungi, or viruses, in which symptoms range from brownish blotches on the foliage to withering of the entire plant without rotting
4-U.K. see potato blight
5-a bacterium, fungus, or virus that causes blight in plants

v
1-(vt) to spoil or damage something severely
2-to cause a plant to wither without rotting

Synonyms
disfigurement
disease
stain
scar
blot
affliction