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Impression vs Undefined - What's the difference?

impression | undefined |

As a noun impression

is the indentation or depression made by the pressure of one object on or into another.

As an adjective undefined is

lacking a definition or value.

impression

Noun

(en noun)
  • The indentation or depression made by the pressure of one object on or into another.
  • The overall effect of something, e.g., on a person.
  • *
  • , title=(The Celebrity), chapter=1 , passage=The stories did not seem to me to touch life. […] They left me with the impression of a well-delivered stereopticon lecture, with characters about as life-like as the shadows on the screen, and whisking on and off, at the mercy of the operator.}}
  • A vague recalling of an event, a belief.
  • An impersonation, an imitation of the mannerisms of another individual.
  • An outward appearance.
  • (advertising) An online advertising performance metric representing an instance where an ad. is shown once.
  • (painting) The first coat of colour, such as the priming in house-painting etc.
  • (engraving) A print on paper from a wood block, metal plate, etc.
  • 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