Definitions

1. verb

to stand upright with the hairs or quills on the end of something, especially the back of an animal

“The hedgehog’s quills bristled in defense.”

2. noun

a hair or quill that stands upright, especially on the back of an animal

“The bristles on the back of the porcupine made it difficult to approach.”

3. verb

to feel or show anger, irritation, or annoyance

“She bristled at the criticism of her work.”

4. verb

to be full of energy and enthusiasm

“The crowd bristled with excitement as the concert began.”