Definitions

1. noun

A person, especially a man, who is excessively enthusiastic or zealous about something, especially sex.

“He was known as the school’s biggest stifler, always trying to hook up with girls.”

2. noun

A device or mechanism used to restrict or reduce the flow of something, such as air or gas.

“The engine’s stifler helped to improve its overall performance by reducing backpressure.”

3. verb

To check or suppress (something, such as an emotion or action) by restricting or controlling it.

“The new law aims to prevent the stifling of free speech in public forums.”