sceptic Definition

sceptic
skeptic
noun

1. Someone with a tendency to disbelieve or doubt the validity or substance of other situations, people, etc.
2. Someone who questions widely accepted, especially religious, doctrines and beliefs.

Thesaurus: cynic, dissenter, rationalist, agnostic, doubter; Antonym: believer.

Etymology: 16c: from Latin scepticus, from Greek skeptikos thoughtful, from skeptesthai to consider.