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insomnia

audio pronunciation audio pronunciation
noun
  • inability to sleep [Barron]

More word meanings for insomnia
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Wiktionary:
insomnia @ wiktionary
WordNet:
insomnia @ wordnet.princeton.edu
Merriam-Webster Online:
insomnia @ M-W.com
MSN Encarta:
insomnia @ Encarta
American Heritage Dictionary of the English Language:
insomnia @ AHD provided by Yahoo! Education
Answers.com:
insomnia @ Answers.com
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