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Backwards vs Undefined - What's the difference?

backwards | undefined |

As adjectives the difference between backwards and undefined

is that backwards is oriented toward the back while undefined is lacking a definition or value.

As an adverb backwards

is toward the back.

backwards

English

Alternative forms

* backward

Adjective

(en adjective)
  • Oriented toward the back.
    • The battleship had three backwards guns at the stern, in addition to the primary complement .
  • Reversed.
    • The backwards lettering on emergency vehicles makes it possible to read in the rear-view mirror.
  • (derogatory) Behind current trends or technology.
    • Modern medicine regards the use of leeches as a backwards practice.
  • Clumsy, inept, or inefficient.
    • He was a very backwards scholar, but he was a marvel on the football field.

    Usage notes

    * In senses 3 and 4, and often in American English, backward is preferred.

    Synonyms

    * (oriented toward the back) * (reversed) mirror image, switched, back to front * (behind current trends or technology) crude, dated, obsolete, primitive * awkward, fumbling, incompetent, poor

    Adverb

    (en adverb)
  • Toward the back.
    • The cabinet toppled over backwards .
    Life is lived forwards, but understood backwards . —Søren Kierkegaard
  • In the opposite direction to usual.
    • The clock did not work because the battery was inserted backwards .
  • In a manner such that the back precedes the front.
    • The tour guide walked backwards while droning on to the bored seniors.

    Usage notes

    * In written American English, backward is more common. * Strictly speaking, backwards'' is an adverb and ''backward is an adjective in British English; in American English, the rule may be reversed. This follows the same usage for similar words ending in -ward/-wards and -way/-ways. See also -wise. *: It was a backward move'' vs ''He moved backwards * Also, even though an adverb may be used in adjectival combinations (eg a quickly moving car ), only the -ward forms are commonly used in adjectival combinations, e.g.: *: A backward-facing statue. / A backward facing statue.

    Synonyms

    * (toward the back) hindwards, rearward, retrograde * (in the opposite direction of usual) contrariwise, reversedly * (so that the back precedes the front) back to front, in reverse

    Derived terms

    * backwards and forwards

    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