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Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. v. To swing back and forth with a steady, uninterrupted rhythm.
  2. v. To waver, as between conflicting opinions or courses of action; vacillate: "The court has oscillated over the decades from more liberal to less, more conservative to less, depending upon who was president at the time of vacancies” ( Gordon J. Humphrey). See Synonyms at swing.
  3. v. Physics To vary between alternate extremes, usually within a definable period of time.

Century Dictionary and Cyclopedia

  1. To swing; move backward and forward; vibrate, as a pendulum.
  2. Hence To vary or fluctuate; waver.
  3. Synonyms Vacillate, Waver, etc. See fluctuate.
  4. To cause to swing or move backward and forward; cause to vibrate or swing to and fro.

Wiktionary

  1. v. To swing back and forth, especially if with a regular rhythm.
  2. v. To vacillate between conflicting opinions, etc.

GNU Webster's 1913

  1. v. To move backward and forward; to vibrate like a pendulum; to swing; to sway.
  2. v. To vary or fluctuate between fixed limits; to act or move in a fickle or fluctuating manner; to change repeatedly, back and forth.

WordNet 3.0

  1. v. be undecided about something; waver between conflicting positions or courses of action
  2. v. move or swing from side to side regularly

Etymologies

  1. Latin ōscillāre, ōscillāt-, from ōscillum, swing, probably from ōscillum, small mask of Bacchus, diminutive of ōs, mouth; see ōs- in Indo-European roots.

Examples

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Lists

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Comments

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  • 14ShimAlissa my unorthodox personality oscillates au jour le jour Jul 5, 2011

  • bilby Satan, oscillate my metallic sonatas! Oct 18, 2008

  • sera to oscillate is to move laterally Aug 13, 2007

‘oscillate’ has been looked up 1783 times, loved by 5 people, added to 57 lists, commented on 3 times, and has a Scrabble score of 11.