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Gadget vs Undefined - What's the difference?

gadget | undefined |

As a noun gadget

is (obsolete) a thing whose name cannot be remembered; thingamajig, doohickey.

As an adjective undefined is

lacking a definition or value.

gadget

English

(wikipedia gadget)

Alternative forms

* gadjet

Noun

(en noun)
  • (obsolete) a thing whose name cannot be remembered; thingamajig, doohickey
  • * 1886 , Robert Brown, Spunyard and Spindrift, A Sailor Boy's Log of a Voyage Out and Home in a China Tea-clipper :
    • Then the names of all the other things on board a ship! I don't know half of them yet; even the sailors forget at times, and if the exact name of anything they want happens to slip from their memory, they call it a chicken-fixing, or a gadjet , or a timmey-noggy, or a wim-wom—just pro tem. , you know.
  • any device or machine, especially one whose name cannot be recalled. Often either clever or complicated.
    • He bought a neat new gadget for shredding potatoes.
    That's quite a lot of gadgets you have collected. Do you use any of them?

    Synonyms

    * contraption * contrivance * doohickey * gizmo * widget

    Derived terms

    * gadgety

    Anagrams

    * English placeholder terms ----

    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