yo-yo

1. Shifting back and forth or up and down uncertainly or unexpectedly.

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1. 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.

2. Informal One that undergoes frequent abrupt shifts or reversals, as of opinion or emotion; a vacillator.

3. Slang A stupid or objectionable person.

4. A thick grooved double disk with a string attached to its center axle that is made to fall and rise to the hand by unwinding and rewinding on the string.

5. A condition or situation marked by regular fluctuations from one extreme to another.

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1. To move from one position to another repeatedly.

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1. Informal To undergo frequent abrupt shifts or reversals, as of opinion or emotion; vacillate.

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Here are some other words you could make with the letters yo-yo

Top Words by points	Points	Word Game
oy	5	Scrabble

2 Letters	Scrabble® Points
oy	5
yo	5