Whisper \Whis"per\, v. t.

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

They might buzz and whisper it one to another. --Bentley.

2. To address in a whisper, or low voice. [Archaic]

And whisper one another in the ear. --Shak.

Where gentlest breezes whisper souls distressed. --Keble.

3. To prompt secretly or cautiously; to inform privately. [Obs.]

``He came to whisper Wolsey.'' --Shak.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Whisper \Whis"per\, v. i. [imp. & p. p. Whispered; p. pr. & vb. n. Whispering.]

[AS. hwisprian; akin to G. wispern, wispeln, OHG. hwispal?n, Icel. hv[=i]skra, Sw. hviska, Dan. hviske; of imitative origin. Cf. Whistle.]

1. 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. See Whisper, n.

2. To make a low, sibilant sound or noise.

The hollow, whispering breeze. --Thomson.

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

All that hate me whisper together against me. --Ps. xli. 7.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Whisper \Whis"per\, n.

1. A low, soft, sibilant voice or utterance, which can be heard only by those near at hand; voice or utterance that employs only breath sound without tone, friction against the edges of the vocal cords and arytenoid cartilages taking the place of the vibration of the cords that produces tone; sometimes, in a limited sense, the sound produced by such friction as distinguished from breath sound made by friction against parts of the mouth. See Voice, n., 2, and Guide to Pronunciation, [sect][sect] 5, 153, 154.

The inward voice or whisper can not give a tone. --Bacon.

Soft whispers through the assembly went. --Dryden.

2. A cautious or timorous speech. --South.

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

4. A low, sibilant sound. ``The whispers of the leaves.'' --Tennyson.

Source: Webster's Revised Unabridged Dictionary (1913)