unfindable, impossible to find
On a cherché Alphonse partout, aéroport, hôtel, il est introuvable.
We looked for Alphonse everywhere, airport, hotel, he can't be found.
— La Nuit américaine (1973)
Tom était introuvable.
Tom was nowhere to be found.
She was nowhere to be found.
She is nowhere to be found.
Malheureusement, ce livre est introuvable.
Unfortunately, this book is 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)
Si Markinson ne veut pas être retrouvé, il restera introuvable.
If Markinson doesn't want to be found, he'll remain untraceable.
— Des hommes d'honneur (1992)