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Hyperreactivity vs Undefined - What's the difference?

hyperreactivity | undefined |

As a noun hyperreactivity

is (uncountable) the condition of being hyperreactive.

As an adjective undefined is

lacking a definition or value.

hyperreactivity

English

Noun

  • (uncountable) The condition of being hyperreactive
  • (countable) An allergic response to a very low dose of irritant

    • Anagrams

    *

    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