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A skeptic. A reference to the New Testament story about the Apostle Thomas, who refused to believe that Jesus had risen from the dead until he saw him in person. Lisa's husband was a real doubting Thomas when she told him she'd won the lottery. He demanded to check the ticket himself.
someone who will not easily believe something without strong proof or evidence. (Can be said of a man or a woman. From the biblical account of the apostle Thomas, who would not believe that Jesus had risen from the dead until he actually touched the risen Christ.) Mary won't believe that I have a dog until she sees it. She's such a doubting Thomas.
One who is habitually doubtful. For example, He was a doubting Thomas about the coming merger, not believing it would ever happen. The term alludes to the disciple Thomas, who doubted Jesus's resurrection until he had first-hand evidence of it (John 20:24-29).
a doubting Thomasa person who refuses to believe something without having incontrovertible proof; a sceptic.
In the Bible, the apostle Thomas said that he would not believe that Christ had risen from the dead until he had seen and touched his wounds (John 20:24–9).