Indéfinissable (en. Indefinable)
/ɛ̃.de.fi.ni.sabl/
Slang Meanings
A thing that we can't seem to talk about.
This movie is an indefinable; I don't know how to explain it.
Ce film, c'est un indéfinissable, je ne sais pas comment l'expliquer.
A weird feeling that can't be put into words.
That moment was indescribable, a true indefinable.
Ce moment était indescriptible, un vrai indéfinissable.