Search Result for "disaster": 
Wordnet 3.0

NOUN (3)

1. a state of extreme (usually irremediable) ruin and misfortune;
- Example: "lack of funds has resulted in a catastrophe for our school system"
- Example: "his policies were a disaster"
[syn: catastrophe, disaster]

2. an event resulting in great loss and misfortune;
- Example: "the whole city was affected by the irremediable calamity"
- Example: "the earthquake was a disaster"
[syn: calamity, catastrophe, disaster, tragedy, cataclysm]

3. an act that has disastrous consequences;


The Collaborative International Dictionary of English v.0.48:

Disaster \Dis*as"ter\, n. [F. d['e]sastre; pref. d['e]s- (L. dis-) + astre star, fr. L. astrum; a word of astrological origin. See Aster, Astral, Star.] 1. An unpropitious or baleful aspect of a planet or star; malevolent influence of a heavenly body; hence, an ill portent. [Obs.] [1913 Webster] Disasters in the sun. --Shak. [1913 Webster] 2. An adverse or unfortunate event, esp. a sudden and extraordinary misfortune; a calamity; a serious mishap. [1913 Webster] But noble souls, through dust and heat, Rise from disaster and defeat The stronger. --Longfellow. Syn: Calamity; misfortune; mishap; mischance; visitation; misadventure; ill luck. See Calamity. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Disaster \Dis*as"ter\, v. t. 1. To blast by the influence of a baleful star. [Obs.] --Sir P. Sidney. [1913 Webster] 2. To bring harm upon; to injure. [R.] --Thomson. [1913 Webster]
WordNet (r) 3.0 (2006):

disaster n 1: a state of extreme (usually irremediable) ruin and misfortune; "lack of funds has resulted in a catastrophe for our school system"; "his policies were a disaster" [syn: catastrophe, disaster] 2: an event resulting in great loss and misfortune; "the whole city was affected by the irremediable calamity"; "the earthquake was a disaster" [syn: calamity, catastrophe, disaster, tragedy, cataclysm] 3: an act that has disastrous consequences
Moby Thesaurus II by Grady Ward, 1.0:

58 Moby Thesaurus words for "disaster": accident, act of God, adversity, apoplexy, blow, breakdown, breaking up, breakup, calamity, casualty, cataclysm, catastrophe, cave, cave-in, climax, collapse, collision, contretemps, convulsion, crack-up, crash, debacle, diastrophism, distress, fatal accident, fatality, fit, grief, ill hap, misadventure, mischance, misfortune, mishap, nasty blow, overthrow, paroxysm, pileup, quake, reverse, rocks, shipwreck, shock, smash, smashup, spasm, staggering blow, stroke, temblor, tidal wave, total loss, tragedy, trouble, tsunami, upheaval, violent death, washout, wrack, wreck