vibrating

Vibrate \Vi"brate\, v. t. [imp. & p. p. {Vibrated}; p. pr. & vb.
   n. {Vibrating}.] [L. vibratus, p. p. of vibrare, v. t. & v.
   i., to shake, brandish, vibrate; akin to Skr. vip to tremble,
   Icel. veifa to wave, vibrate. See {Waive} and cf. {Whip}, v.
   t.]
   1. To brandish; to move to and fro; to swing; as, to vibrate
      a sword or a staff.
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   2. To mark or measure by moving to and fro; as, a pendulum
      vibrating seconds.
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   3. To affect with vibratory motion; to set in vibration.
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            Breath vocalized, that is, vibrated or undulated,
            may . . . impress a swift, tremulous motion.
                                                  --Holder.
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            Star to star vibrates light.          --Tennyson.
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71 Moby Thesaurus words for "vibrating":
      aspen, ceaseless, chattering, constant, continual, fluctuant,
      fluctuating, fluctuational, full, harmonic, incessant, libratory,
      machine gun, mellow, nutational, oscillating, oscillatory, palsied,
      pendular, pendulous, perennial, periodic, perpetual, plangent,
      pulsating, pulsing, quaking, quavering, quavery, quivering,
      quivery, rapid, regular, repeated, resonant, resonating, rich,
      rolling, shaking, shaky, shivering, shivery, shuddering, sonorous,
      staccato, steady, stuttering, succussatory, succussive, sustained,
      throbbing, trembling, trembly, tremulous, unbroken, unceasing,
      unchanging, unintermitted, unintermittent, unintermitting,
      uninterrupted, unremitting, unstopped, unvarying, vacillating,
      vacillatory, vibrant, vibratile, vibratory, wavering, wobbly