noun
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the head of a pin
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something very small
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informal a stupid or contemptible person
Etymology
Origin of pinhead
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.
They can walk, hover and the males can even sing love songs to woo mates - all this with a brain that's tinier than a pinhead.
From BBC ● Dec. 28, 2024
With a brain the size of a pinhead, insects perform fantastic navigational feats.
From Science Daily ● Feb. 12, 2024
To investigate, researchers coated 14 species of coral—10 in the lab and four in the wild—with tiny fluorescent beads, which are each smaller than a pinhead and glow under light-emitting diode light.
From Science Magazine ● May 12, 2022
During the tours, experts try to count pinhead cherries in the branches to come up with more detailed projections.
From Reuters ● Dec. 13, 2021
The pill was the size of a pinhead, and it had a pale brownish color.
From "The Hot Zone" by Richard Preston
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
