DictionarybristleStiff hair or fiber
noun / verb

bristle

BRIS-uhl/brˈɪsʌl/

A short stiff hair that may stand upright.

A stiff bristle stands upright on the boar's back.

Close view of a boar's shoulder shows individual short stiff upright hairs, with one prominently isolated by composition while remaining attached to skin.
Etymology

The stiff-hair noun, formed with a diminutive ending, became a verb for hair standing upright. The angry reaction evokes an animal’s raised bristles as it prepares to fight.

In context

Rich Roll7:49
they bristle at childhood nicknames they don't think our jokes are funny
WHAT TEENAGERS NEED (And How To Provide It) | Lisa Damour, PhD x Rich Roll Podcast

More examples

  • The dog's fur bristled along its spine.
  • A short bristle from the brush sticks out at an angle.
  • The worn toothbrush had bent bristles.

Forms

bristle · bristles · bristled · bristling

Similar words

hair
A broader term, a bristle is particularly stiff and coarse.