1. Whispered: This implies a very soft, almost inaudible voice.
2. Murmured: This suggests a low, indistinct sound, often with a slight humming quality.
3. Muttered: This implies a grumbling or complaining tone, often spoken under one's breath.
4. Hinted: This suggests an indirect way of speaking, often with a veiled meaning.
5. Sighed: This indicates a soft, breathy sound expressing sadness, relief, or longing.