Insu is built from su, “known”, with a negative prefix. The phrase means that the named person has not been told.
Insu is built from su, “known”, with a negative prefix. The phrase means that the named person has not been told.
What does à l'insu de mean?
It means “without the knowledge of”.
Who follows à l'insu de?
The person or group who does not know.
Must an action à l'insu de someone be harmful?
No. A surprise party can be planned this way.
Is à l'insu de invariable?
Yes, the fixed part of the expression does not change.
What is the opposite of à l'insu de?
Au vu et au su de means openly, with others aware.