The antonyms for the word "anvil sound" could be words like silence, peace, calmness, quietness and serenity. While an anvil sound is typically loud and jarring, these antonyms represent the opposite end of the sound spectrum, where a lack of sound or gentle, soothing noise is present. In nature, the sound of a babbling brook or rustling leaves may create a sense of serenity, while the hum of an air conditioner may offer a peaceful atmosphere. Silence, on the other hand, can be equally calming, especially in moments of reflection or meditation. Ultimately, the antonyms for anvil sound reflect a sense of tranquility that can help to restore a sense of balance and harmony in our lives.