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Undefined vs Consistent - What's the difference?

undefined | consistent |

As adjectives the difference between undefined and consistent

is that undefined is lacking a definition or value while consistent is of a regularly occurring, dependable nature.

As a noun consistent is

(in the plural|rare) objects or facts that are coexistent, or in agreement with one another.

undefined

English

Adjective

(wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined

    consistent

    English

    (consistency)

    Adjective

    (en adjective)
  • Of a regularly occurring, dependable nature.
    • The consistent use of Chinglish in China can be very annoying, apart from some initial amusement.
    He is very consistent in his political choices: economy good or bad, he always votes Labour!
  • Compatible, accordant.
  • * {{quote-magazine, date=2012-01
    • , author=Steven Sloman , title=The Battle Between Intuition and Deliberation , volume=100, issue=1, page=74 , magazine= citation , passage=Libertarian paternalism is the view that, because the way options are presented to citizens affects what they choose, society should present options in a way that “nudges” our intuitive selves to make choices that are more consistent with what our more deliberative selves would have chosen if they were in control.}}
  • (logic) Of a set of statements, such that no contradiction logically follows from them.

    • Antonyms

    * inconsistent * contradictory

    Related terms

    * consist * consistence * consistency * inconsistent

    Noun

    (en noun)
  • (in the plural, rare) Objects or facts that are coexistent, or in agreement with one another.
  • * 1662 Thomas Salusbury, Galileo's Dialogue Concerning the Two Chief World Systems (Dialogue 2):
    • The Diurnal motion of the primum mobile, is it not from East to West? And the annual motion of the Sun through the Ecliptick, is it not on the contrary from West to East? How then can you make these motions being conferred on the Earth ... to become consistents ?
  • In the history of the Eastern Orthodox Church, a kind of penitent who was allowed to assist at prayers, but could not be admitted to receive the holy sacrament.
  • * 1885 Catholic Dictionary 651
    • The consistentes stand together with the faithful, and do not go out with the catechumens.

    References

    * * Catholic Dictionary (1885) * Ephraim Chambers, Cyclopaedia - Supplement (1753) ----