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Simple Definition of uh-oh

from our Learner's Dictionary

uh-oh

interjection

ˈʌˌoʊ

with a stop between the vowels

chiefly US, informal

—used when you realize that you are in a bad situation, that you have made a mistake, etc.

Uh-oh, we're in trouble!

Uh-oh. What happened?

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“Uh-oh.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/uh-oh. Accessed 20 Jun. 2026.

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