She is as sound as a bell.

I arrived home safe and sound.

Making sound decisions is crucial for success.

The sound barrier is a phenomenon that occurs when a supersonic aircraft approaches the speed of sound and encounters increased air resistance.

The sound box amplifies the music and creates a rich, resonant sound.

The movie was filled with amazing sound effects.

The sound wave travels through the air.

The sounding board of the piano amplifies the vibrations of the strings.

I know I sound like a broken record, but you really need to clean up your room.