The sky was filled with billowy clouds, creating a picturesque scene.
The boat rode over the billowy waves, making the passengers feel like they were on a rollercoaster.
She wore a billowy dress that flowed gracefully as she walked.
The billowy curtains swayed gently in the breeze, casting a soft light in the room.
The billowy smoke rose from the chimney, signaling that a fire was burning inside.