Simple Definition of doubting Thomas
: someone who rarely trusts or believes things before having proof : a doubtful or skeptical person
Full Definition of doubting Thomas
: an incredulous or habitually doubtful person
Examples of doubting thomas in a sentence
She kept trying, hoping to prove all those doubting Thomases wrong.
<an astronomer who enjoys taking the role of the doubting Thomas in debates with UFOlogists>
Origin of doubting thomas
St. Thomas, apostle who doubted Jesus' resurrection until he had proof of it (John 20:24–29)
First Known Use: 1883
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