n. One who contradicts or denies what is alleged; an opposer.
n. A person who gainsays others; a disagreeable person.
the GNU version of the Collaborative International Dictionary of English
n. One who gainsays, contradicts, or denies.
The Century Dictionary and Cyclopedia
n. One who contradicts or denies what is alleged; an opposer.
Word Usage
"If he had been interested only in anointing himself a gainsayer of modern art, he could have simply refused to make art at all and confined himself to showing up at gallery openings dressed as Savonarola."