- apparently good or right though lacking real merit; superficially pleasing or plausible: specious arguments.
- pleasing to the eye but deceptive.
- Obsolete. pleasing to the eye; fair.
Origin of specious
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for speciousness
Hence we see that the very essence of a fallacy is its speciousness.The Verbalist
Thomas Embly Osmun, (AKA Alfred Ayres)
Amidst all the speciousness of their claims, she had "found" them false.The Expositor's Bible: The Book of Revelation
Yet there is a speciousness about such an excuse, and we will leave it.The Vintage
Edward Frederic Benson
Her speciousness and artifices seduced him into a precipitate marriage.Ormond, Volume III (of 3)
Charles Brockden Brown
It has just the speciousness that runs away with young people.More Bywords
Charlotte M. Yonge
- apparently correct or true, but actually wrong or false
- deceptively attractive in appearance
Word Origin and History for speciousness
c.1400, "pleasing to the sight, fair," from Latin speciosus "good-looking, beautiful," from species "appearance" (see species). Meaning "seemingly desirable, reasonable or probable, but not really so" is first recorded 1610s.