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Downcast vs Undefined - What's the difference?

downcast | undefined |

As adjectives the difference between downcast and undefined

is that downcast is (of eyes) looking downwards while undefined is lacking a definition or value.

As a noun downcast

is (computing) a cast from supertype to subtype.

As a verb downcast

is (obsolete) to cast or throw up; to turn upward.

downcast

English

Adjective

(en adjective)
  • (of eyes) Looking downwards.
  • * Dryden
    • 'Tis love, said she; and then my downcast eyes, / And guilty dumbness, witnessed my surprise.
  • (of a person) Feeling despondent.

    • Noun

    (en noun)
  • (computing) A cast from supertype to subtype.
  • (obsolete) A melancholy look.
  • * Beaumont and Fletcher
    • That downcast of thine eye.
  • (mining) A ventilating shaft down which the air passes in circulating through a mine.

    • Verb

  • (obsolete) To cast or throw up; to turn upward.
  • (Scotland) To taunt; to reproach; to upbraid.
  • (computing) To cast from supertype to subtype.

    • 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