vibrate

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To move back and forth or to and fro, especially rhythmically and rapidly. See Synonyms at swing.
2. v. To feel a quiver of emotion.
3. v. To shake or move with or as if with a slight quivering or trembling motion: "Even as the film moved . . . to the more deadly fields of Vietnam, old hatreds vibrated in me” ( Loudon Wainwright).
4. v. To produce a sound; resonate.
5. v. To fluctuate or waver in making choices; vacillate.
6. v. To cause to tremble or quiver.
7. v. To cause to move back and forth rapidly.
8. v. To produce (sound) by vibration.

Century Dictionary and Cyclopedia

1. To swing; oscillate; move one way and the other; play to and fro, as the pendulum.
2. To move in any kind of stationary motion under forces of restitution, commonly with a rapid motion.
3. To produce a vibratory or resonant effect; thrill; quiver: as, a whisper vibrates on the ear.
4. To fluctuate or waver, as between two opinions.
5. To cause to move or wave to and fro; cause to swing or oscillate; hence, to throw with a vibratory motion; hurl.
6. To affect with vibratory motion; cause to quiver: as, vibrated breath.
7. To measure or indicate by vibrating or oscillating: as, a pendulum vibrating seconds.

Wiktionary

1. v. Move with small movements rapidly to and fro.
2. v. Resonate.
3. n. The setting, on a portable electronic device, that causes it to vibrate rather than sound any (or most) needed alarms.

GNU Webster's 1913

1. v. To brandish; to move to and fro; to swing.
2. v. To mark or measure by moving to and fro.
3. v. To affect with vibratory motion; to set in vibration.
4. v. To move to and fro, or from side to side, as a pendulum, an elastic rod, or a stretched string, when disturbed from its position of rest; to swing; to oscillate.
5. v. To have the constituent particles move to and fro, with alternate compression and dilation of parts, as the air, or any elastic body; to quiver.
6. v. To produce an oscillating or quivering effect of sound.
7. v. To pass from one state to another; to waver; to fluctuate.

WordNet 3.0

1. v. move or swing from side to side regularly
2. v. shake, quiver, or throb; move back and forth rapidly, usually in an uncontrolled manner
3. v. feel sudden intense sensation or emotion
4. v. sound with resonance
5. v. be undecided about something; waver between conflicting positions or courses of action