What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Regrettably vs Undefined - What's the difference?

regrettably | undefined |

As an adverb regrettably

is in a manner inspiring or deserving regret.

As an adjective undefined is

lacking a definition or value.

regrettably

English

Adverb

(en adverb)
  • In a manner inspiring or deserving regret.

    • Synonyms

    * regretfully * unfortunately

    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