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Definition of "yo-yo" []

  • A toy consisting of a flattened spool wound with string that is spun down from and reeled up to the hand by motions of the wrist. (noun)
  • Informal One that undergoes frequent abrupt shifts or reversals, as of opinion or emotion; a vacillator. (noun)
  • Slang A stupid or objectionable person. (noun)
  • Informal To undergo frequent abrupt shifts or reversals, as of opinion or emotion; vacillate. (verb-intransitive)
  • An expression used as a greeting, to attract someone's attention, etc

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "yo-yo" in a sentence
  • "When asked why officials would not give Alden another chance, Gelder said the state wanted to avoid what he termed "yo-yo" facilities: "They do a really good job when they know someone is coming to look, but yet we have problems as soon as the spotlight is turned off."
  • "First, they make you feel like a loser, and then something even worse happens to so-called yo-yo dieters."
  • "But this leads to a behavioral cycle in which your system “doesn’t work” or you can’t get back into a healthy mind-set—some people call it yo-yo dieting."