crackpot
noun
crack·pot
ˈkrak-ˌpät 
plural crackpots
: one given to eccentric or wildly foolish notions
crackpot
adjective
Examples of crackpot in a Sentence
Some crackpot in a clown suit is out there directing traffic.
everyone is tolerant of the town crackpot, a man who never hurt anyone
Recent Examples on the Web
In a sane world, someone who claimed that one of the most beneficial accomplishments in human history — the polio vaccine — did more harm than good would be seen as a dangerous crackpot.
—
U T Editorial Board, San Diego Union-Tribune, 26 Sep. 2025
Most researchers considered that a crackpot theory.
—Gregory Barber, Quanta Magazine, 15 Sep. 2025
At the time, de Grey was viewed as a brilliant crackpot.
—Tad Friend, New Yorker, 4 Aug. 2025
Dawn rambles on, issuing crackpot theories in the background.
—Madison Bloom, Pitchfork, 17 July 2025
See All Example Sentences for crackpot
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
U T Editorial Board, San Diego Union-Tribune, 26 Sep. 2025
Most researchers considered that a crackpot theory.
—Gregory Barber, Quanta Magazine, 15 Sep. 2025
At the time, de Grey was viewed as a brilliant crackpot.
—Tad Friend, New Yorker, 4 Aug. 2025
Dawn rambles on, issuing crackpot theories in the background.
—Madison Bloom, Pitchfork, 17 July 2025
See All Example Sentences for crackpot
Cite this Entry
“Crackpot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crackpot. Accessed 8 Oct. 2025.
Copy CitationKids Definition
Love words? Need even more definitions?
Merriam-Webster unabridged
Share