1. Doubt about the truth of something
   - incredulity, disbelief, skepticism [N. Amer], mental rejection 
2. The disbelief in any claims of ultimate knowledge
   - agnosticism, skepticism [N. Amer]

Derived forms: scepticisms

See also: sceptical [Brit, Cdn]

Type of: disbelief, doubt, doubtfulness, dubiety, dubiousness, incertitude, unbelief, uncertainty

Encyclopedia: Scepticism

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• amianthus
• amicability
• amicable
• amicableness
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• amice
• amicus
• amicus curiae
• amicus curiae brief
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• Amiidae
• amine
• aminic
• amino
• amino acid
• amino group
• amino plastic