blight

[ blahyt ]
/ blaɪt /

noun

Plant Pathology.
  1. the rapid and extensive discoloration, wilting, and death of plant tissues.
  2. a disease so characterized.
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.

verb (used with object)

to cause to wither or decay; blast: Frost blighted the crops.
to destroy; ruin; frustrate: Illness blighted his hopes.

verb (used without object)

to suffer blight.

Words nearby blight

Origin of blight

First recorded in 1605–15; of uncertain origin

OTHER WORDS FROM blight

blight·ing·ly, adverbun·blight·ed, adjectiveun·blight·ed·ly, adverbun·blight·ed·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for blight

blight
/ (blaɪt) /

noun

verb

Word Origin for blight

C17: perhaps related to Old English blǣce rash; compare bleach
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for blight

blight
[ blīt ]

Any of numerous plant diseases that cause leaves, stems, fruits, and tissues to wither and die. Rust, mildew, and smut are blights.
The bacterium, fungus, or virus that causes such a disease.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.