As a verb:
* The wind whispered secrets through the leaves.
* She whispered a warning to her friend.
* He whispered softly in her ear, "I love you."
As a noun:
* The whisper of the waves crashing on the shore was soothing.
* He heard a whisper of her name in the crowd.
* The library was filled with only the whispers of turning pages.
In a figurative sense:
* The flowers whispered a message of hope and beauty.
* The city streets whispered tales of forgotten dreams.
In a specific context:
* The teacher whispered instructions to the students before the test.
* The spy received a whisper of information from his contact.
* The lovers exchanged a whisper of promises beneath the moonlight.