impossible to find, nowhere to be found
Malheureusement, ce livre est introuvable.
Unfortunately, this book is nowhere to be found.
She is nowhere to be found.
She was nowhere to be found.
Quand la mort viendra me prendre, je resterai introuvable.
When death comes to take me, I’ll remain nowhere to be found.
— La Main de Dieu (2021)
San-o est le coupable mais il reste introuvable.
San-o is the culprit, but he remains nowhere to be found.
— Decision to Leave (2022)
Nowhere to be found, I said.
Ces temps-ci, un réchaud, c'est introuvable !
These days, you can’t find a camping stove anywhere!
— Le Tombeau des lucioles (1988)