Hearing them in dreams symbolizes the fear of gossip about you, but if you are the one who is whispering then it could indicate sexual orientation or romantic relationships that you want to keep hidden. Dreaming that someone whispers something in your ear even though you may not understand the message, is considered as harbinger of unforeseen important help for your projects.
Whisper dream meaning
Read more about dreaming of Whisper in other dream meanings interpretations.