Whispered: This suggests a quiet, confidential tone.
* "She whispered a secret into his ear."
Murmured: This implies a low, indistinct sound, often with a hint of uncertainty or contemplation.
* "He murmured a response, barely audible over the music."
Hushed: This evokes a quiet, reverent atmosphere, often used for solemn or serious situations.
* "The mourners hushed their voices as the funeral procession passed."
Crooned: This implies a soft, soothing voice, often used in romantic or affectionate contexts.
* "She crooned a lullaby to her sleeping child."
Breezed: This suggests a light, airy voice, often used for informal conversations.
* "He breezed through the answer, as if it were nothing."
Cooed: This implies a gentle, affectionate voice, often used for babies or loved ones.
* "The mother cooed at her newborn, cradling it in her arms."
Purred: This suggests a smooth, low, contented voice, often used for someone expressing pleasure or satisfaction.
* "She purred with delight as she looked at the beautiful sunset."
Muttered: This implies a low, indistinct voice, often used for grumbling or expressing displeasure.
* "He muttered under his breath, his frustration evident."
In addition to these verbs, you can also use adverbs to modify them and further emphasize the softness of the voice:
* Softly whispered: This adds a sense of tenderness.
* Barely murmured: This highlights the faintness of the sound.
* Quietly crooned: This suggests a calm, peaceful tone.
The best verb to use will depend on the context and the specific tone you want to convey.