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Specious vs Undefined - What's the difference?

specious | undefined |

As adjectives the difference between specious and undefined

is that specious is seemingly well-reasoned, plausible or true, but actually fallacious while undefined is lacking a definition or value.

specious

English

Adjective

(en adjective)
  • Seemingly well-reasoned, plausible or true, but actually fallacious.
    • This idea that we must see through what we have started is specious , however good it may sound.
  • *1776 , Thomas Paine,
  • *:I have frequently amused myself both in public and private companies, with silently remarking, the specious errors of those who speak without reflecting.
  • Having an attractive appearance intended to generate a favorable response; deceptively attractive.
  • (obsolete) Beautiful, pleasing to look at.

    • Synonyms

    * fallacious, insincere * (with appearance intended to generate a favorable response) meretricious

    Derived terms

    * speciosity * speciously * speciousness

    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