French

Noun

insu m ‎(uncountable)

1. (in set phrases) ignorance

   Il était content à son insu.

   He was happy without realising it.

Usage notes

• This noun is now found only in the construction à l’insu de … ‎(“unbeknownst to …, without …’s knowledge”), or, if the object is a personal pronoun, à [possessive pronoun] insu ‎(“unbeknownst to [objective pronoun], without [possessive pronoun] knowledge”).

Anagrams

• nuis, unis