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

  • adj. Incapable of associating or blending or of being associated or blended because of disharmony, incongruity, or antagonism: incompatible views on religion.
  • adj. Impossible to be held simultaneously by one person: the incompatible offices of prosecutor and judge.
  • adj. Logic That cannot be simultaneously true; mutually exclusive.
  • adj. Medicine Producing an undesirable effect when used in combination with a particular substance: a medication that is incompatible with alcohol.
  • adj. Medicine Not immunologically compatible: incompatible blood types.
  • n. One that is incompatible.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of two things: impossible to coexist; not congruous because of differences; irreconcilable; disagreeing.
  • n. An incompatible substance; one of a group of things that cannot be placed or used together because of a change of chemical composition or opposing medicinal qualities.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Not compatible; so differing as to be incapable of harmonious combination or coexistence; inconsistent in thought or being; irreconcilably disagreeing
  • adj. Incapable of being together without mutual reaction or decomposition, as certain medicines.
  • n. An incompatible substance; esp., in pl., things which can not be placed or used together because of a change of chemical composition or of opposing medicinal qualities.

from The Century Dictionary and Cyclopedia

  • Not compatible; incapable of harmonizing or agreeing; mutually repelling; incongruous.
  • Specifically That cannot coexist or be conjoined, as mutually repellent substances, or ingredients in a medicine which react on each other, causing precipitation or serious change of composition, or remedies which have opposite medicinal properties. Such substances are distinctively called incompatibles.
  • Persons or things that are incompatible with each other. See I., 2.

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

  • adj. incapable of being used with or connected to other devices or components without modification
  • adj. not compatible
  • adj. not easy to combine harmoniously
  • adj. used especially of solids or solutions; incapable of blending into a stable homogeneous mixture
  • adj. not in keeping with what is correct or proper
  • adj. used especially of drugs or muscles that counteract or neutralize each other's effect
  • adj. not compatible with other facts
  • adj. not suitable to your tastes or needs
  • adj. of words so related that one contrasts with the other


from Wiktionary, Creative Commons Attribution/Share-Alike License

From French incompatible.



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