<unk> , a status between belief and disbelief, involves uncertainty or distrust or lack of sureness of a fact, an action, a motive, or a decision.<unk>  brings into question some notion of a perceived "reality", and may involve delaying relevant action out of concerns for mistakes or faults.
The term "to<unk> " can also mean "to question one's circumstances and  life-experience".
Doubt
Disgust
Homicidal ideation
Jealousy
Emotional detachment
Sapience
Automatic behavior
Delusion