any cause of impairment, destruction, ruin, or frustration: Extravagance was the blight of the family. the state or result of being blighted or deteriorated; dilapidation; decay: urban blight. ... to destroy; ruin; frustrate: Illness blighted his hopes.

What is an example of blight?

The Irish Potato Famine was an example of a blight. In 1845, more than a third of the potato crops were ruined. The plants turned black and their leaves dried up and people who relied on potatoes for most of their meals also withered and experienced extreme hardship and hunger.

Does blight mean disease?

blight, any of various plant diseases whose symptoms include sudden and severe yellowing, browning, spotting, withering, or dying of leaves, flowers, fruit, stems, or the entire plant.