splinter

A splinter is a narrow, pointed sliver that breaks off something larger. If you walk barefoot on a wooden floor, dock, or boardwalk, you might get a splinter of wood in your foot. Ouch!

We often use the word splinter to refer to tiny shards of wood that lodge under the skin, but a sliver of any hard material — stone, glass, bone, wood, metal — can be called a splinter. When something splinters, it breaks into individual bits. You can also use the word figuratively to describe something that separates in a violent or forceful way, like when a mainstream political party splinters into more or less extreme groups.

Definitions of splinter
1

n a small thin sharp bit or wood or glass or metal

“he got a splinter in his finger”
Synonyms:
sliver
Type of:
bit, chip, flake, fleck, scrap
a small fragment of something broken off from the whole

v divide into slivers or splinters

Synonyms:
sliver
Type of:
carve up, dissever, divide, divvy, separate, split, split up
separate into parts or portions

v break up into splinters or slivers

“The wood splintered
Synonyms:
sliver
Type of:
break up, fragment, fragmentise, fragmentize
break or cause to break into pieces

v withdraw from an organization or communion

Synonyms:
break away, secede
Type of:
break, break up, part, separate, split, split up
discontinue an association or relation; go different ways

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