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Invariable vs Undefined - What's the difference?

invariable | undefined |

As adjectives the difference between invariable and undefined

is that invariable is not variable; unalterable; uniform; always having the same value while undefined is lacking a definition or value.

As a noun invariable

is something that does not vary; a constant.

invariable

English

Adjective

(-)
  • Not variable; unalterable; uniform; always having the same value.
  • *(Isaac Taylor) (1787–1865)
  • *:Physical laws which are invariable .
  • *
  • *:“A tight little craft,” was Austin’s invariable comment on the matron; and she looked it, always trim and trig and smooth of surface like a converted yacht cleared for action.
  • (lb) Constant.
  • (rfv-sense) That cannot undergo inflection, conjugation or declension.
  • :

    • Quotations

    * (English Citations of "invariable")

    Noun

    (en noun)
  • Something that does not vary; a constant.

    • See also

    * invariant ----

    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