Noun
Skepticism; universal doubt.
Source: Webster's dictionaryPYRRHONISM, n. An ancient philosophy, named for its inventor. It consisted of an absolute disbelief in everything but Pyrrhonism. Its modern professors have added that. Ambrose Bierce
Perhaps the earliest expression of the trilemma appears in the writings of the sceptic Sextus Empiricus (160–210 AD), who wrote in his Outlines of Pyrrhonism: Further, this too should be said. Source: Internet
Liddell and Scott Adherents of Pyrrhonism (and more recently, partially synonymous with Fallibilism ), for instance, suspend judgment in investigations. Source: Internet
See Pyrrhonism for a similar type of skepticism. Source: Internet