blight
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noun
a plant disease, especially one caused by fungi such as mildews, rusts, and smuts:
(植物の)病害〘特に葉枯れ病, 胴枯れ病〙; (植物に害を及ぼす)菌, 害虫.
e.g. the vines suffered blight and disease
e.g. potato blight.
in singular a thing that spoils or damages something:
【前途･希望などを】くじくもの, 障害 «on» .
e.g. her remorse could be a blight on that happiness.
an ugly, neglected, or rundown condition of an urban area:
(都市などの)荒廃; 荒廃の原因.
e.g. the depressing urban blight that lies to the south of the city.
verb with object
infect (plants or a planted area) with blight:
〈病害･霜などが〉〈植物〉を枯らす, しおれさせる
e.g. a peach tree blighted by leaf curl.
spoil, harm, or destroy:
〈前途･希望など〉をくじく, 損なう; …を破壊する
e.g. the scandal blighted the careers of several leading politicians
e.g. (as adjective blighted) : his father's blighted ambitions.
(usually as adjective blighted) subject (an urban area) to neglect:
e.g. plans to establish enterprise zones in blighted areas.
ORIGIN
mid 16th century (denoting inflammation of the skin): of unknown origin.