nightmare
noun
[ ˈnʌɪtmɛː ]
• a frightening or unpleasant dream.
• "I had nightmares after watching the horror movie"
• a very unpleasant or frightening experience or prospect.
• "the nightmare of racial hatred"
Similar:
ordeal,
horror,
torment,
trial,
burden,
curse,
bane,
bogey,
pet hate,
dread,
phobia,
hell,
purgatory,
misery,
agony,
torture,
murder,
bête noire,
Origin:
Middle English (denoting a female evil spirit thought to lie upon and suffocate sleepers): from night + Old English mære ‘incubus’.