baffle-v; 2 Senses

Sense Number 1: (Cause to) be a mystery or bewildering to, possibly resulting in a hinderence to some form of progress.

The question really baffles me.
You must baffle your opponent at every turn.
We're totally baffled by these problems and don't know how to proceed.

VerbNet: amuse-31.1
FrameNet: Experiencer_obj
PropBank: NP
WordNet 3.0 Sense Numbers: 1, 2

Sense Number 2: Stop or hinder the emission of sound.

It was impossible to baffle the sound.
Baffle your sister - I can't hear myself think!
We should baffle the engine.

VerbNet: NM
FrameNet: NM
PropBank: NP
WordNet 3.0 Sense Numbers: 3