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

  • noun Agreement or logical coherence among things or parts.
  • noun Correspondence among related aspects; compatibility.
  • noun Reliability or uniformity of successive results or events.
  • noun Degree of density, firmness, or viscosity.

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

  • noun local coherence
  • noun correspondence or compatibility
  • noun reliability or uniformity; the quality of being consistent
  • noun the degree of viscosity of something
  • noun logic Freedom from contradiction; the state of a system of axioms such that none of the propositions deduced from them are mutually contradictory

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

  • noun the property of holding together and retaining its shape
  • noun logical coherence and accordance with the facts
  • noun (logic) an attribute of a logical system that is so constituted that none of the propositions deducible from the axioms contradict one another
  • noun a harmonious uniformity or agreement among things or parts


Sorry, no etymologies found.



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  • "A foolish consistency is the hobgoblin of little minds, adored by little statesmen and philosophers and divines. With consistency a great soul has simply nothing to do. He may as well concern himself with his shadow on the wall. Speak what you think now in hard words, and to-morrow speak what to-morrow thinks in hard words again, though it contradict everything you said to-day."

    – Ralph Waldo Emerson, "Self-Reliance", Essays and Lectures (New York: Library of America, 1983), 265.

    July 16, 2011