skepticism, also spelled scepticism, in Western philosophy, the attitude of doubting knowledge claims set forth in various areas. Skeptics have challenged the adequacy or reliability of these claims by asking what principles they are based upon or what they actually establish.

What is an example of skepticism?

The sales pitch seemed too good to be true, so he was skeptical. The teacher was skeptical when Timmy told her the dog ate his homework. After the politician said he would not raise taxes, the voters were skeptical. John was skeptical when the television ad said the cleaner would take out all stains.

What's being skeptical mean?

: a person who questions or doubts something (such as a claim or statement) : a person who often questions or doubts things. See the full definition for skeptic in the English Language Learners Dictionary. skeptic. noun. skep·​tic | \ ˈskep-tik \