- [uncountable, countable] any disease that kills plants, especially crops（农作物等的）疫病
- potato blight马铃薯疫病
- Many areas have been devastated by blights which destroyed cereal crops and vines.许多地区被摧毁谷类作物和葡萄藤的枯萎病摧毁了。
Topics Farmingc2 - [singular, uncountable] blight (on somebody/something) something that has a bad effect on a situation, a person’s life or the environment（对局势、生活或环境）有害的事物，不利因素
- His death cast a blight on the whole of that year.他的死使那一整年都处在阴影之中。
- urban blight (= areas in a city that are ugly or not cared for well)城市里环境脏、乱、差的地区
- Her divorce was a great blight on her life.她的离婚是她生活中的一大败笔。
Word Originmid 16th cent. (denoting inflammation of the skin): of unknown origin.