Whisper / Say something quietly (synonyms, similar words, thesaurus)

Say something quietly

Whisper

To speak very quietly to someone so that other people cannot hear you

SW: murmur

She whispered to me that she was scared.

Murmur

To say something in a soft and quiet voice that is difficult to hear clearly or understand

My daughter murmured in my ear.

Mutter

To speak in a quiet voice that is difficult to hear, especially because you are annoyed about something, you do not want people to hear you, or you are talking to yourself

He just stood there muttering to himself.

Mumble

To say something quietly in an unclear way so that other people cannot understand you SW: mutter

My son mumbled something about not wanting to go to school.