Blight

v. t.	1.	To affect with blight; to blast; to prevent the growth and fertility of. [imp. & p. p. Blighted; p. pr. & vb. n. Blighting.] [This vapor] blasts vegetables, blights corn and fruit, and is sometimes injurious even to man. - Woodward.
	2.	Hence: To destroy the happiness of; to ruin; to mar essentially; to frustrate; as, to blight one's prospects. Seared in heart and lone and blighted. - Byron.
v. i.	1.	To be affected by blight; to blast; as, this vine never blights.
n.	1.	Mildew; decay; anything nipping or blasting; - applied as a general name to various injuries or diseases of plants, causing the whole or a part to wither, whether occasioned by insects, fungi, or atmospheric influences.
	2.	The act of blighting, or the state of being blighted; a withering or mildewing, or a stoppage of growth in the whole or a part of a plant, etc.
	3.	That which frustrates one's plans or withers one's hopes; that which impairs or destroys. A blight seemed to have fallen over our fortunes. - Disraeli.
	4.	(Zool.) A downy species of aphis, or plant louse, destructive to fruit trees, infesting both the roots and branches; - also applied to several other injurious insects.
	5.	A rashlike eruption on the human skin.

Noun	1.	blight - a state or condition being blighted
	2.	blight - any plant disease resulting in withering without rotting
Verb	1.	blight - cause to suffer a blight; "Too much rain may blight the garden with mold" Synonyms: plague

abnormality, abomination, abuse, acute disease, adverse circumstances, adversity, affection, afflict, aggravation, aggrieve, ailment, allergic disease, allergy, annoyance, atrocity, atrophy, bacterial disease, bad, bane, befoul, befoulment, bewitch, birth defect, blast, blast-freeze, botch, bummer, calamity, cancer, canker, cardiovascular disease, care, chronic disease, circulatory disease, complaint, complication, condemn, condition, congeal, congenital defect, corrupt, corruption, cross, crucify, crying evil, curse, dash, defect, deficiency disease, defile, defilement, deformity, degenerative disease, deprave, despoil, despoliation, destroy, destruction, detriment, difficulties, difficulty, disability, disadvantage, disease, disorder, disserve, distemper, distress, do a mischief, do evil, do ill, do wrong, do wrong by, doom, downer, dry rot, endemic, endemic disease, endocrine disease, envenom, epidemic disease, evil, freeze, freeze solid, functional disease, fungus, fungus disease, gastrointestinal disease, genetic disease, get into trouble, glaciate, glacify, grievance, handicap, harass, hard knocks, hard life, hard lot, hardcase, hardship, havoc, hereditary disease, hex, hurt, iatrogenic disease, ice, ill, illness, impair, indisposition, infect, infection, infectious disease, infest, infestation, infirmity, injure, injury, irritation, jinx, malady, malaise, maltreat, mar, menace, mildew, mischief, misfortune, mistreat, mold, molest, morbidity, morbus, moth, moth and rust, muscular disease, must, neurological disease, nip, nutritional disease, occupational disease, organic disease, outrage, pandemic disease, pathological condition, pathology, persecute, pest, pestilence, plague, plant disease, play havoc with, play hob with, plight, poison, pollute, pollution, predicament, prejudice, pressure, protozoan disease, psychosomatic disease, quick-freeze, refreeze, regelate, respiratory disease, rigor, rockiness, rot, rust, savage, scathe, scourge, sea of troubles, secondary disease, seediness, sickishness, sickness, signs, smut, stress, stress of life, symptomatology, symptomology, symptoms, syndrome, taint, the pip, the worst, threaten, torment, torture, toxin, trial, tribulation, trouble, troubles, urogenital disease, vale of tears, venom, vexation, vicissitude, violate, virus disease, wasting disease, wither, woe, worm, worm disease, wound, wreak havoc on, wreck, wrong