Inébranlable (en. Unshakeable)

/in.e.bʁɑ̃.labl/

Synonyms

Slang Meanings

Someone very determined.
He is unshakeable; you won't be able to change his mind.
Il est inébranlable, tu ne pourras pas le faire changer d'avis.
A solid argument.
His reasoning was unshakeable, impossible to contradict.
Son raisonnement était inébranlable, impossible à contredire.