Definition of skeptic :
1. A doubter as to whether any fact or truth can be certainly known; a universal doubter; a Pyrrhonist; hence, in modern usage, occasionally, a person who questions whether any truth or fact can be established on philosophical grounds; sometimes, a critical inquirer, in opposition to a dogmatist.
2. A person who doubts the existence and perfections of God, or the truth of revelation; one who disbelieves the divine origin of the Christian religion.
3. Alt. of Skeptical
4. One who is yet undecided as to what is true; one who is looking or inquiring for what is true; an inquirer after facts or reasons.
materialist, positivist, freethinker, rationalist, scoffer, profaner, latitudinarian, pagan, belief, anti-Christian, misbeliever, Pyrrhonist, somatist, blasphemer, questioner, sceptic, apostate, deist, nihilist
unbeliever (part of speech: noun)
- In order that I may not be misunderstood, in order that I may not be unjustly suspected of a credulity that does not belong to me, I wish to say at the outset that I am by nature and by lifelong habit of mind a skeptic. - "Recollections of a Varied Life", George Cary Eggleston.
- The explanation entirely satisfied Max, though of course that skeptic of a Bandy- legs had to let his eyebrows go up in an arch as he listened; but then Bandy- legs would doubt anything that savored of the uncommon. - "At Whispering Pine Lodge", Lawrence J. Leslie.
- I have been a high- church skeptic- I thought as much of my own infallibility as poor O'Neill in the next cell does of the Pope's. - "The Mystery of Metropolisville", Edward Eggleston.