Doubt; to be in doubt， to be perplexed. To be doubtful about; doubtful. To be troubled. （Buddhism） （vicikitsa^）: 'doubt，'suspicion.' The mental action of inability to be resolved to the reality of delusion/awakening and cause and effect. In the Abhidharmako/sa-bha^sya it is listed as one of the indeterminate elements， while in the doctrine of the Yoga^ca^ra school， it is counted as one of the six primary defilements 六烦恼， and one of the ten 'secondary dullnesses.' Also the vascillatory indecisiveness of the mind regarding an object.