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.

Nearby words

  1. blewit,
  2. blewits,
  3. blida,
  4. bligh,
  5. bligh, william,
  6. blighter,
  7. blighty,
  8. bliksem,
  9. blimey,
  10. blimp

Origin of blight

First recorded in 1605–15; of uncertain origin

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

Examples from the Web for blighted

British Dictionary definitions for blighted



any plant disease characterized by withering and shrivelling without rottingSee also potato blight
any factor, such as bacterial attack or air pollution, that causes the symptoms of blight in plants
a person or thing that mars or prevents growth, improvement, or prosperity
an ugly urban district
the state or condition of being blighted or spoilt


to cause or suffer a blight
(tr) to frustrate or disappoint
(tr) to spoil; destroy

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

Word Origin and History for blighted
Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for blighted



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.