fallacious

• Such was the notion: it was fallacious, as will appear later on; but it appealed strongly to the French imagination as providing an infallible means of humbling the traditional foe. —  The Life of Napoleon I (Volume 2 of 2)
• Prove my position fallacious, and not predicated on principles of eternal right, and they may be blown to the four winds of heaven. —  A Woman's Life-Work
• A great deal of the argumentation that I had.been told to accept was obviously fallacious, and I read whatever books I could find that seemed to offer a firmer foundation for mathematical beliefs. —  My Philosophical Development
• The authorities cited by M. Otto in support of his assertion are generally fallacious, and for the most part given without particular specification. —  The Life and Voyages of Christopher Columbus (Vol. II)
• This demand was plausible, but the more I thought upon it the more illogical, fallacious, and injurious it seemed; and, in spite of some hard knocks in consequence, I have continued to dissent from it, and feel that events have justified me Since this view of mine largely influenced the plan of the university, this is perhaps as good a place as any to sketch its development. —  Autobiography of Andrew Dickson White, V1

Roget's II: The New Thesaurus

Allen's Synonyms and Antonyms

Used in the Same Context