yo

1 of 2

interjection

ˈyō

Synonyms of yo next

next

—used especially to call attention, to indicate attentiveness, or to express affirmation

YO

2 of 2

abbreviation

year old; years old

Word History

Etymology

Interjection

Middle English yo, io, interjection

First Known Use

Interjection

1968, in the meaning defined above

Time Traveler

The first known use of yo was in 1968

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Browse Nearby Words

YO

yo

yob

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Cite this Entry

Style

“Yo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/yo. Accessed 4 Jul. 2025.

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