Definitions

1. adjective

most succinct or to the point

“The professor praised the student for delivering the pithiest presentation in the class.”

2. superlative form of pithy

most concise and to the point

“She searched for the pithiest summary of the complex report.”

3. superlative form of pithy

most essential or most important

“He identified the pithiest points that needed to be included in the proposal.”