Someone who habitually doubts accepted beliefs

The Enneagram of Personality, or simply the Enneagram, is a model of the human psyche which is principally understood and taught as a typology of nine interconnected personality types.

Skeptic, colloquially known as Skeptic magazine, is a quarterly science education and science advocacy magazine published internationally by The Skeptics Society, a nonprofit organization devoted to promoting scientific skepticism and resisting the spread of pseudoscience, superstition, and irrational beliefs.

Skeptic is a song by American heavy metal band Slipknot from their fifth studio album,.

The Skeptic is a 2009 American suspense thriller film written and directed by Tennyson Bardwell.

Skeptical.