Whisper vs. Mumble — What's the Difference?

Soft speech produced without using the full voice.

To utter indistinctly by lowering the voice or partially closing the mouth

Something uttered very softly

To chew slowly or ineffectively without or as if without teeth.

A secretly or surreptitiously expressed belief, rumor, or hint

To speak words indistinctly, as by lowering the voice or partially closing the mouth.

A low rustling sound

To chew food slowly or ineffectively, as if with the gums.

To speak softly.

A low indistinct sound or utterance.

To speak quietly and privately, as by way of gossip, slander, or intrigue.

To speak unintelligibly or inaudibly; to fail to articulate.

To make a soft rustling sound.

To chew something gently with closed lips.

To utter very softly.

A quiet or unintelligible vocalization; a low tone of voice.

To say or tell privately or secretly.

To speak with the lips partly closed, so as to render the sounds inarticulate and imperfect; to utter words in a grumbling indistinct manner, indicating discontent or displeasure; to mutter.

The act of speaking in a quiet voice, especially, without vibration of the vocal cords.

To chew something gently with closed lips.

A rumor.

To utter with a low, inarticulate voice.

(figurative) A faint trace or hint (of something).

To chew or bite gently, as one without teeth.

A low rustling sound, like that of the wind in leaves.

To suppress, or utter imperfectly.

(internet) A private message to an individual in a chat room.

Talk indistinctly; usually in a low voice

(intransitive) To speak softly, or under the breath, so as to be heard only by one near at hand; to utter words without sonant breath; to talk without that vibration in the larynx which gives sonorous, or vocal, sound.

Grind with the gums; chew without teeth and with great difficulty;

(transitive) To mention privately and confidentially, or in a whisper.

(intransitive) To make a low, sibilant sound.

(intransitive) To speak with suspicion or timorous caution; to converse in whispers, as in secret plotting.

To address in a whisper, or low voice.

To prompt secretly or cautiously; to inform privately.

To make a low, sibilant sound or noise.

To speak with suspicion, or timorous caution; to converse in whispers, as in secret plotting.

To utter in a low and nonvocal tone; to say under the breath; hence, to mention privately and confidentially, or in a whisper.

To address in a whisper, or low voice.

To prompt secretly or cautiously; to inform privately.

A cautious or timorous speech.

Something communicated in secret or by whispering; a suggestion or insinuation.

A low, sibilant sound.

Speaking softly without vibration of the vocal cords

The light noise like the noise of silk clothing or leaves blowing in the wind

Speak softly; in a low voice