from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The state of being weak or feeble; infirmity.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A state of physical or mental weakness.

from the GNU version of the Collaborative International Dictionary of English

  • n. The state of being weak; weakness; feebleness; languor.

from The Century Dictionary and Cyclopedia

  • n. The state of being weak or feeble; feebleness; lack of strength or vigor.
  • n. Specifically In medicine, that condition of the body, or of any of its organs, in which the vital functions are discharged with less than normal vigor, the amount of power and activity displayed being reduced.
  • n. In astrology, a weakness of a planet, due to its position: the reverse of a dignity.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the state of being weak in health or body (especially from old age)


Middle English debilite, from Old French, from Latin dēbilitās, from dēbilis, weak; see bel- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English debylite, from Old French debilite, from Latin debilitas ("weakness"), from debilis ("weak"), from de- + habilis ("able"). (Wiktionary)



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