yo-yo


1yo–yo

noun \ˈyō-(ˌ)yō\

: a round toy that has two flat sides with a string attached to its center, that is held in your hand, and that is made to go up and down by unwinding and rewinding the string with a movement of your wrist

plural yo–yos

Full Definition of YO-YO

1
:  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
2
:  a condition or situation marked by regular fluctuations from one extreme to another
3
:  a stupid or foolish person

Origin of YO-YO

probably from Ilocano yóyo, or a cognate word in a language of the Philippines
First Known Use: 1915

2yo–yo

adjective

Definition of YO-YO

:  shifting back and forth or up and down uncertainly or unexpectedly

First Known Use of YO-YO

1932

3yo–yo

verb

: to move repeatedly and quickly up and down or from a higher level to a lower level

yo–yoedyo–yo·ing

Full Definition of YO-YO

intransitive verb
:  to move from one position to another repeatedly :  fluctuate <the stock price yo–yoed>

First Known Use of YO-YO

1967

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