Definitions

1. adjective

crazy or eccentric; foolish or irrational

“She thought her friend was being batty for believing in that conspiracy theory.”

2. noun

a type of small bat, especially a young one

“The batty that flew out of the cave was covered in dirt.”

3. verb

to strike or hit (something) sharply

“The ball was battered by the strong wind.”

4. verb

to make something less attractive or more difficult to sell

“The new design would batter the price of the product down.”