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Siren vs Undefined - What's the difference?

siren | undefined |

As an adjective undefined is

lacking a definition or value.

siren

English

(wikipedia siren)

Alternative forms

* sirene (dated or archaic)

Noun

(en-noun)
  • (original sense ) (Greek mythology) One of a group of nymphs who lured mariners to their death on the rocks.
  • A device, either mechanical or electronic, that makes a piercingly loud sound as an alarm or signal, or the sound from such a device.
  • A musical instrument, one of the few aerophones in the percussion section of the symphony orchestra.
  • A dangerously seductive woman.
  • A common name for salamanders of Siren and Sirenidae.
  • A common name for mammals of Sirenia .

    • Derived terms

    * siren song * sirenian * sirenic

    Verb

    (en verb)
  • To make a noise with, or as if with, a siren.

    • Adjective

  • Relating to or like a siren.

    • Synonyms

    * bewitching * enchanting * enticing * sirenic

    References

    *

    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