1
botany
a
: a disease or injury of plants marked by the formation of lesions, withering, and death of parts (such as leaves and tubers)
potato blight
b
: an organism (such as an insect or a fungus) that causes blight
2
: something that frustrates plans or hopes
the blight of poverty
an abandoned factory that was a blight on the neighborhood
3
: something that impairs or destroys
… censorship … has brought under its blight Ireland's greatest poets, dramatists, and scholars.—
Paul Blanshard
Paul Blanshard4
: a deteriorated condition
urban blight
blighted; blighting; blights
1
botany
: to affect (a plant) with a disease or injury marked by the formation of lesions, withering, and death of parts (such as leaves and tubers) : to affect with blight (see blight entry 1 sense 1)
The apple trees were blighted by fungus.
2
: to impair the quality or effect of
the condition that has blighted his son's life—Patricia Guthrie
Patricia Guthrie
botany
: to suffer from or become affected with blight
The potatoes blighted.
Synonyms
Examples of blight in a Sentence
Noun
the city's spreading urban blight
the expanding urban sprawl is a blight on the countryside
Verb
Builders blighted the land with malls and parking lots.
Recent Examples on the Web
Lili Anolik, Vulture, 12 Nov. 2024
Camellias are also susceptible to a number of diseases, the most serious of which are flower blight, root rot, and camellia dieback and canker.
—Kim Toscano, Southern Living, 31 Oct. 2024
Peter Rutzler, The Athletic, 13 Aug. 2024
Yet injuries have seriously blighted his progress since that era, with a similarl lack of playing time forcing him to push for a loan move to Brighton last term on the watch of Flick's predecessor Xavi Hernandez.
—Tom Sanderson, Forbes, 5 Oct. 2024
See all Example Sentences for blight 
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Noun
Same as Papen, Tartt felt the blight and taint of her origins.
—Lili Anolik, Vulture, 12 Nov. 2024
Camellias are also susceptible to a number of diseases, the most serious of which are flower blight, root rot, and camellia dieback and canker.
—Kim Toscano, Southern Living, 31 Oct. 2024
Verb
In 2022-23, Fulham suffered a painful FA Cup defeat there after three red cards blighted an otherwise promising display.
—Peter Rutzler, The Athletic, 13 Aug. 2024
Yet injuries have seriously blighted his progress since that era, with a similarl lack of playing time forcing him to push for a loan move to Brighton last term on the watch of Flick's predecessor Xavi Hernandez.
—Tom Sanderson, Forbes, 5 Oct. 2024
See all Example Sentences for blight
Dictionary Entries Near blight
Cite this Entry
“Blight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blight. Accessed 28 Nov. 2024.
Copy CitationKids Definition
blight
1 of 2 noun1
a
: a disease of plants marked by withering and death of parts (as leaves)
b
: an organism that causes blight
2
a
: something that harms or destroys
b
: a damaged or worsened condition
urban blight
blight
2 of 2 verb1
: to affect with blight
2
: to damage or worsen the quality or condition of
slums and blighted areas
3
: to suffer from or become affected with blight
Medical Definition
blight
noun
Australian
: an inflammation of the eye in which the eyelids discharge a thick mucous substance that often seals them up for days and minute granular pustules develop inside the lid
called also sandy blight
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