bristles Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to express one's anger usually violentlynoun. a stiff short hair or fiber Example Sentence My hair brush is made of nylon bristles. Synonyms get angry; rage; madden; whisker; spine Antonyms be delighted; pleased Hear It! Say It! Write It! bristles Switch to cursive Start Share with your friends: