Unclear or unreliable.
Experiencing or showing doubt, sceptical.
Subject to, or causing doubt.
Improbable or unlikely.
Suspicious, or of dubious character.
Undecided or of uncertain outcome.
A doubtful person or thing.
Able to hear, as opposed to deaf.
The sense used to perceive sound.
A proceeding at which discussions are heard.
The act by which something is heard.
A legal procedure done before a judge, without a jury, as with an evidentiary hearing.