Waves crashed gently against the rocky coastline.

Meaning: Large bodies of water from the ocean hit the land that has a lot of rocks, making a loud noise, but in a soft way.

Choice of Words: Waves are large bodies of water that move across the ocean. Crashed means to make a loud, sudden noise when hitting something. Gently means in a soft, kind, or careful way. Rocky means full of rocks. Coastline is the land next to the ocean.