blight
🇺🇸
/blaɪt/
🇬🇧
/blaɪt/
to negatively impact or ruin something, especially by causing many problems
His career has been blighted by injuries.
a disease that kills plants, especially agricultural crops
Many areas have been devastated by blights which destroyed cereal crops and vines.
something that negatively affects a situation, a person's life, or the environment
His death cast a blight on the whole of that year.