the GNU version of the Collaborative International Dictionary of English
n. A follower of Pyrrho; a skeptic.
The Century Dictionary and Cyclopedia
n. A follower of Pyrrho; an adherent of Pyrrhonism; one who doubts everything.
Word Usage
"Just as the pyrrhonist in maintaining that there is no truth asserts one, so the literary pessimist partly contradicts his contention of the futility of existence by his anxiety to express himself elegantly."