Doubt, uncertainty, or scepticism regarding any subject of dispute.
The view that absolute truth or ultimate certainty is unattainable, especially regarding knowledge not based on experience or perceivable phenomena.
Doubt, uncertainty, or scepticism regarding the existence of a god or gods.
The view that the existence of God or of all deities is unknown, unknowable, unproven, or unprovable.
Uncertainty, doubt.
The imagining of something without evidence.
The act of suspecting something or someone, especially of something wrong.
A trace, or slight indication.
The condition of being suspected.
To suspect; to have suspicions.