n.
- a person inclined to question or doubt accepted opinions.
▸a person who doubts the truth of Christianity and other religions; an atheist.
- Philosophy a philosopher who denies the possibility of knowledge, or even rational belief, in certain spheres.
Derivative
- sceptical adj.
- scepticism n.
Etymology
C16: from Fr. sceptique, or via L. from Gk skeptikos, from skepsis ‘inquiry, doubt’.