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Invariably vs Undefined - What's the difference?

invariably | undefined |

As an adverb invariably

is every time; always without change.

As an adjective undefined is

lacking a definition or value.

invariably

English

Adverb

(en adverb)
  • Every time; always. Without change.
  • :
  • *
  • *:“A tight little craft,” was Austin’s invariable comment on the matron;. ¶ Near her wandered her husband, orientally bland, invariably affable, and from time to time squinting sideways, as usual, in the ever-renewed expectation that he might catch a glimpse of his stiff, retroussé moustache.
  • 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