Definitions

1. noun

A curved piece of wood, plastic, or other material, thrown by hand and returning to the thrower.

“The children played with boomerangs in the park.”

2. verb

To throw something that is likely to return to the person who threw it, or to cause something to return to a previous situation or condition.

“The politician’s words boomeranged when the public reacted negatively to her proposal.”

3. verb (informal)

To have an unintended consequence, especially a negative one.

“She boomeranged her boss with her sarcastic remark.”