Definitions

1. adjective

having or covered with the most bristles or a dense growth of stiff hairs

“The bristliest hedgehog in the zoo was a big hit with visitors.”

2. comparative form of bristly

more bristly than others

“This tree has the bristliest bark in the entire forest.”

3. superlative form of bristly

most bristly

“The bristliest part of the cactus is where the spines are longest.”