noun
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the head of a pin
-
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.
With a brain the size of a pinhead, insects perform fantastic navigational feats.
From Science Daily ● Feb. 12, 2024
Ricin, found naturally in castor beans, can cause death within 36 to 72 hours from exposure to an amount as small as a pinhead.
From Reuters ● Jan. 8, 2023
The artist previously produced a picture of the Queen on a pinhead which sold for £100,000.
From BBC ● Nov. 27, 2022
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
Every single day he looked like he had just walked out of Sunday school: Every thin yellow hair on his pinhead was perfectly cut and licked to a gloss.
From Each Little Bird That Sings by Deborah Wiles
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.
