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Urchin vs Undefined - What's the difference?

urchin | undefined |

As a noun urchin

is a mischievous child.

As an adjective undefined is

lacking a definition or value.

urchin

English

Noun

(en noun)
  • A mischievous child.
  • *
    • And like these fresh green things were the dozens of babies, tots, toddlers, noisy urchins , laughing girls, a whole multitude of children of one family. For Collier Brandt, the father of all this numerous progeny, was a Mormon with four wives.
  • A street kid, a child from a poor neighborhood.
  • * W. Howitt
    • And the urchins that stand with their thievish eyes / Forever on watch ran off each with a prize.
  • (archaic) A hedgehog.
  • * before 1400 ,
  • A sea urchin.
  • A mischievous elf supposed sometimes to take the form a hedgehog.
  • * Shakespeare
    • We'll dress [them] like urchins , ouphes, and fairies.
  • One of a pair in a series of small card cylinders arranged around a carding drum; so called from its fancied resemblance to the hedgehog.
    • (Knight)

    Related terms

    * sea urchin * street urchin

    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