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Already vs Undefined - What's the difference?

already | undefined |

As an adverb already

is prior to some specified time, either past, present, or future; by this time; previously.

As an adjective undefined is

lacking a definition or value.

already

English

Adverb

(-)
  • Prior to some specified time, either past, present, or future; by this time; previously.
  • {{quote-Fanny Hill, part=6 , slipping then my cloaths off, I crept under the bed-cloaths, where I found the young stripling already nestled, and the touch of his warm flesh rather pleas'd than alarm'd me.}}
  • * (Arthur Conan Doyle)
  • It was already dusk, and the lamps were just being lighted as we paced up and down in front of Briony Lodge, waiting for the coming of its occupant.
  • * {{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)
  • , title= Welcome to the plastisphere , passage=Plastics are energy-rich substances, which is why many of them burn so readily. Any organism that could unlock and use that energy would do well in the Anthropocene. Terrestrial bacteria and fungi which can manage this trick are already familiar to experts in the field.}}
  • So soon.
  • (US) Influenced by (etyl) An intensifier used to emphasize impatience or express exasperation.
  • Usage notes

    Already may be used with the present perfect (I have already done that''), the past perfect (''I had already done it by then''), the future perfect (''When you arrive, the business will already have been completed'') or the simple future (''When you arrive, the business will already be complete ).

    See also

    * yet

    Statistics

    *

    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