JLPT N1
おっと
It’s like saying “Whoa!” or “Oops!” You use it for small surprises, mistakes, or when you suddenly realize something.
Readings
Other forms
オット in katakana for emphasis
Interjection
"Whoa!" / "Oops!"
An exclamation used when you are surprised, make a small mistake, or suddenly notice something. It’s the Japanese equivalent of saying “Whoa!”, “Oops!”, or “Oh!”