inaudibly (adverb)

1. During the signing of the Treaty of Versailles, the whispers between diplomats were inaudibly drowned by the loud murmurs of the crowd.

2. As the protagonist calmed the tense situation, her words were inaudibly conveyed through subtle gestures and expressions.

3. In the candlelit restaurant, they leaned in close and shared a quiet, inaudible conversation, their words only heard by each other.

4. Amidst the mystical forest, the fairies communicated in inaudible whispers, their voices blending with the gentle rustling of the leaves.