Reliability vs Consistency - What's the difference?

reliability | consistency |

As nouns the difference between reliability and consistency

is that reliability is the quality of being reliable, dependable or trustworthy while consistency is local coherence.



  • The quality of being reliable, dependable or trustworthy.
  • The quality of a measurement indicating the degree to which the measure is consistent, that is, repeated measurements would give the same result (See validity).
  • In engineering measurable time of work before failure
  • consistency


  • Local coherence.
  • Correspondence or compatibility.
  • Reliability or uniformity; the quality of being consistent.
  • * Addison
  • That consistency of behaviour whereby he inflexibly pursues those measures which appear the most just.
  • The degree of viscosity of something.
  • *{{quote-magazine, year=2013, month=July-August, author= Stephen P. Lownie], [ David M. Pelz
  • , magazine=(American Scientist), title= Stents to Prevent Stroke , passage=As we age, the major arteries of our bodies frequently become thickened with plaque, a fatty material with an oatmeal-like consistency that builds up along the inner lining of blood vessels.}}
  • (logic) Freedom from contradiction; the state of a system of axioms such that none of the propositions deduced from them are mutually contradictory.
  • (obsolete) Firmness of constitution or character; substantiality; durability; persistency.
  • * South
  • His friendship is of a noble make and a lasting consistency .


    * inconsistency