| verb | shake, quiver, or throb; move back and forth rapidly, usually in an uncontrolled manner |
| verb | move or swing from side to side regularly “the needle on the meter was oscillating” |
| verb | be undecided about something; waver between conflicting positions or courses of action “He oscillates between accepting the new position and retirement” |
| verb | sound with resonance “The sound resonates well in this theater” |
| verb | feel sudden intense sensation or emotion “he was thrilled by the speed and the roar of the engine” |
| vibration | noun | a shaky motion |
| vibrator | noun | mechanical device that produces vibratory motion; used for massage |
| oscillatory | adjective | having periodic vibrations |
| oscillation | noun | a single complete execution of a periodically repeated phenomenon |
| vacillant | adjective | uncertain in purpose or action |
| vacillation | noun | indecision in speech or action |
| vacillator | noun | one who hesitates (usually out of fear) |
| resonator | noun | a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves |
| resonance | noun | a vibration of large amplitude produced by a relatively small vibration near the same frequency of vibration as the natural frequency of the resonating system |
| vibratory | adjective | moving very rapidly to and fro or up and down |
| vibrant | adjective | of sounds that are strong and resonating |
| vibrancy | noun | having the character of a loud deep sound; the quality of being resonant |
| thrill | noun | an almost pleasurable sensation of fright |