To throw doubt or uncertainty on means that a person is suspicious about or questioning a specific situation. This could say a lot about the person who is throwing doubt on a situation or against another person in that they may be incapable of trusting. On the other hand, the uncertainty may be well founded.
Some synonyms for uncertainty are doubt or distrust.
unconfidence, uncertainty, doubt
Uncertainty or doubt.
Uncertainty; doubtfulness; doubt.
Uncertainty or doubt.
Yes, doubt is a feeling characterized by uncertainty or lack of conviction about something.
Fear, Uncertainty, Doubt
It is called doubt or uncertainty
vagueness, doubt, uncertainty, obscurity, equivocation, dubiousness
doubt
An aporia is a figure of speech in which a person expresses doubt or uncertainty of how to proceed.
cynicism, disbelief, doubt, incredulity, uncertainty, suspicion, distrust.