The Open Dictionary

speciousness

noun

UK/ˈspiː.ʃəs.nəs/
US/ˈspiː.ʃəs.nəs/

Definitions of speciousness noun

  1. Uncountable

    The quality of appearing to be correct or true, but actually being wrong or false; deceptive plausibility.

    • The speciousness of the proposal lies in its superficial appearance of solving problems while actually creating more complications.

    • His arguments were full of speciousness, attempting to conceal his true intentions.

    • The advertisement uses beautiful imagery and captivating language to cover up the speciousness of their product.