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

  • adjective Lacking cohesion, connection, or harmony; not coherent.
  • adjective Unable to think or express one's thoughts in a clear or orderly manner.

from The Century Dictionary.

  • In geology, noting textures consisting of loose sediments which have never been cemented.
  • Without physical coherence or cohesion; loose; unconnected; not coalescing or uniting.
  • Without coherence or agreement; not properly related or coördinated;incongruous; inconsistent; inconsecutive: chiefly used of immaterial things: as, incoherent thoughts.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Not coherent; wanting cohesion; loose; unconnected; physically disconnected; not fixed to each; -- said of material substances.
  • adjective Lacking logical coherence or agreement; incongruous; inconsistent; having no dependence of one part on another; logically disconnected; rambling; -- of speech or discourse.
  • adjective Exhibiting incoherent{2} speech or thought; -- of people.
  • adjective Lacking harmony or congruity of parts.

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

  • adjective Lacking coherence or agreement; incongruous; inconsistent; not logically connected.
  • adjective Not physically coherent; loose; unconnected.

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

  • adjective without logical or meaningful connection
  • adjective (physics) of waves having no stable definite or stable phase relation
  • adjective unable to express yourself clearly or fluently


from Wiktionary, Creative Commons Attribution/Share-Alike License

in- +‎ coherent


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