bristle

(noun) a stiff fiber (coarse hair or filament); natural or synthetic.

(noun) a stiff hair.

(verb) be in a state of movement or action. Synonyms: abound, burst. Examples: "The room abounded with screaming children." "The garden bristled with toddlers."

(verb) rise up as in fear. Synonyms: uprise, stand up. Examples: "The dog's fur bristled." "It was a sight to make one's hair uprise!."

(verb) have or be thickly covered with or as if with bristles. Example: "Bristling leaves."

(verb) react in an offended or angry manner. Example: "He bristled at her suggestion that he should teach her how to use the program."