noun. One who instinctively or habitually doubts, questions, or disagrees with assertions or generally accepted conclusions.

noun. One inclined to skepticism in religious matters.

noun. undefined

noun. An adherent of a school of skepticism.

noun. A member of an ancient Greek school of skepticism, especially that of Pyrrho of Elis (360?–272? BC).

Same as skeptical.

noun. One who suspends his judgment, and holds that the known facts do not warrant a conclusion concerning a given fundamental question; a thinker distinguished for the length to which he carries his doubts; also, one who holds that the real truth of things cannot be known in any case; one who will not affirm or deny anything in regard to reality as opposed to appearance.

noun. One who doubts or disbelieves the fundamental principles of the Christian religion.

noun. An adherent of a philosophical school in ancient Greece.

noun. One who doubts concerning the truth of any particular proposition; one who has a tendency to question the virtue and integrity of most persons.

noun. Synonyms Unbeliever, Free-thinker, etc. See infidel.

noun. 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.

noun. 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.

noun. 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.

adjective. Of or pertaining to a sceptic or skepticism; characterized by skepticism; hesitating to admit the certainly of doctrines or principles; doubting of everything.

adjective. Doubting or denying the truth of revelation, or the sacred Scriptures.

noun. Someone who habitually doubts beliefs and claims presented as accepted by others, requiring strong evidence before accepting any belief or claim.

noun. Someone undecided as to what is true.

noun. A type of agnostic

noun. someone who habitually doubts accepted beliefs

"Actually, the label skeptic gets applied with a rather broad brush in the rather vitriolic discussions at climate blogs."

believer  

skeptical  

skeptical  skepticism  

intellect  intellectual  

doubting thomas  pessimist  

Septic  antiseptic  epileptic  peptic  septic  

agnostic  alarmism  astronomer  atheist  caricaturist  

doubter  freethinker  infidel  minimifidian  pyrrhonist