1
: the head of a pin
2
: something very small or insignificant
3
: a very dull or stupid person : fool
Synonyms
- airhead
- birdbrain
- blockhead
- bonehead
- bubblehead
- chowderhead
- chucklehead
- clodpoll
- clodpole
- clot [British]
- cluck
- clunk
- cretin
- cuddy [British dialect]
- cuddie
- deadhead
- dim bulb [slang]
- dimwit
- dip
- dodo
- dolt
- donkey
- doofus [slang]
- dope
- dork [slang]
- dullard
- dum-dum
- dumbbell
- dumbhead
- dummkopf
- dummy
- dunce
- dunderhead
- fathead
- gander
- golem
- goof
- goon
- half-wit
- hammerhead
- hardhead
- idiot
- ignoramus
- imbecile
- jackass
- know-nothing
- knucklehead
- lamebrain
- loggerhead [chiefly dialect]
- loon
- lump
- lunkhead
- meathead
- mome [archaic]
- moron
- mug [chiefly British]
- mutt
- natural
- nimrod [slang]
- nincompoop
- ninny
- ninnyhammer
- nit [chiefly British]
- nitwit
- noddy
- noodle
- numskull
- numbskull
- oaf
- prat [British]
- ratbag [chiefly Australian]
- saphead
- schlub [slang]
- shlub
- schnook [slang]
- simpleton
- stock
- stupe
- stupid
- thickhead
- turkey
- woodenhead
- yahoo
- yo-yo
Examples of pinhead in a Sentence
The insect is the size of a pinhead.
Her boss is a real pinhead.
Recent Examples on the Web
To get some scale for the image, their dazzling red caps are just the size of a pinhead.
—
New Atlas, 16 July 2024
Below this sieve is a fine-mesh sieve that captures fossil bits down to 0.02 inch in size (smaller than a pinhead).
—Kristi Curry Rogers, Scientific American, 1 Feb. 2024
The eggs are about the size of a pinhead, according to Candace Fallon, senior conservation biologist at the Xerces Society for Invertebrate Conservation, said.
—Aliza Chasan, CBS News, 7 June 2024
These sorts of deals sometimes happened between two drunk pinheads in a tent in the evening, sipping gin and getting a map out and drawing lines across a map.
—Foreign Affairs, 15 Dec. 2014
See all Example Sentences for pinhead 
New Atlas, 16 July 2024
Below this sieve is a fine-mesh sieve that captures fossil bits down to 0.02 inch in size (smaller than a pinhead).
—Kristi Curry Rogers, Scientific American, 1 Feb. 2024
The eggs are about the size of a pinhead, according to Candace Fallon, senior conservation biologist at the Xerces Society for Invertebrate Conservation, said.
—Aliza Chasan, CBS News, 7 June 2024
These sorts of deals sometimes happened between two drunk pinheads in a tent in the evening, sipping gin and getting a map out and drawing lines across a map.
—Foreign Affairs, 15 Dec. 2014
See all Example Sentences for pinhead
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pinhead.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near pinhead
Cite this Entry
“Pinhead.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pinhead. Accessed 4 Oct. 2024.
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