doubt
verb (used with object)
to be uncertain about; consider questionable or unlikely; hesitate to believe.
doubted
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past participleof doubt.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
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past tense formof doubt.past tense
Used to describe completed actions or previous habitual actions.
doubtverb (used with object)to be uncertain about; consider questionable or unlikely; hesitate to believe.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Cherubim's joint advisor David Charbonneau, head of the Harvard Department of Astronomy and astronomer in the Center for Astrophysics | Harvard & Smithsonian, initially doubted whether the plan would succeed.
From Science Daily ● Jul. 21, 2026
Analysts, however, doubted a direct connection, saying that such tests are likely planned well in advance.
From Barron's ● Jul. 7, 2026
Through it all, he said, he doubted if he "wasn't actually good, just popular".
From BBC ● Jul. 1, 2026
I have never doubted the tireless efforts of those who work the elections.
From Salon ● Jun. 26, 2026
The way I looked, I doubted anyone would be very helpful, so I washed as much dirt and grime and troll smell off me as I could.
From "Rump: The (Fairly) True Story of Rumpelstilskin" by Liesl Shurtliff
