Disprover
The Century Dictionary and Cyclopedia
noun.
One who disproves or confutes.
the GNU version of the Collaborative International Dictionary of English
noun.
One who disproves or confutes.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
One who
disproves
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a debater who refutes or disproves by offering contrary evidence or argument
Hypernym
Words that are more generic or abstract
arguer
debater