from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Being in a state of ill health; sick.
  • adjective Characterized by or symptomatic of ill health.
  • adjective Causing or conducive to poor health; unwholesome.
  • adjective Harmful to character or morality; corruptive.
  • adjective Characterized by or symptomatic of disturbed mental health.
  • adjective Of a risky nature; dangerous.

from The Century Dictionary.

  • Not healthy; lacking health; without vigor of growth; unsound: as, an unhealthy child; an unhealthy plant.
  • Not promoting health; unhealthful; unwholesome; as, unhealthy habits or food.
  • Not indicating health; resulting from bad health; morbid: as, an unhealthy sign or craving; an unhealthy appearance.
  • Morally unhealthful: as, unhealthy literature.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective characterized by, or conducive to poor health
  • adjective sick or ill
  • adjective tending to corrupt
  • adjective characterized by disturbed mental health

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

  • adjective not conducive to good health
  • adjective detrimental to health
  • adjective not in or exhibiting good health in body or mind


Sorry, no etymologies found.



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