Add five adjectives to describe the sound of a waterfall.
1. Thunderous
2. Roaring
3. Tranquil
4. Crashing
5. Soothing
Complete the following task based on the instruction and optional input provided.### Instruction:
Add five adjectives to describe the sound of a waterfall.

### Output:
1. Thunderous
2. Roaring
3. Tranquil
4. Crashing
5. Soothing