🤦 A foolish person 🔵 A pin's tip

pinhead

7 2.5

A small round end of a pin

noun
/ˈpɪnˌhɛd/

: cabeza de alfiler

She lays pinhead sized eggs on a wildflower and is off.
size of a pinhead

Examples

Not a large explosive - about the size of a pinhead.

Escape from New York (1981)
Was it possible that "primitive" jellyfish, with brains the size of pinheads and lacking eyes, could actively school, too?

Academic text (1991)
A small head, you mean like a pinhead?

Leather Jacket Love Story (1998)
And that's what those skinny, teeny, tiny pinhead things are for.
Migraine sufferers, their pupils tiny as pinheads, are the only hint of their illness.

Fiction book (1994)
He may be no larger than a pinhead, but this crab larva is an aero worm's worst nightmare.
A couple of whirrs alighted on his arm, miniature helicoids the size of a pinhead.

Fiction book (1998)
The seed is so tiny that it is about the size of a pinhead.
The new species of fly has a body no bigger than a pinhead.
Scientists discovered that the microbe is only as large as a pinhead.

Idioms

to feel like a pinhead

Offensive

9.1

To be foolish or embarrassed after making a mistake

How Small

pinhead

7 2.5

bead

14 4.1

knob

66 1.4

ball

275 1.0

Surface Forms

pinhead singular

pinheads plural

Morphology

pinhead = pin + head (transparent) = pin + head

Literal physical compound: the word denotes the actual rounded end (head) of a pin, directly compositional.

Etymology

Pinhead comes from joining pin and head and means the tiny, rounded 'head' or end of a pin. So a pinhead is the very small top part of a pin that you can hardly see.