insupportable

/ɛ̃sypɔʁtabl/
1.
adjectiveSing

unbearable

intolerable (physically or in terms of conditions)

Il fait une chaleur insupportable aujourd'hui.

The heat is unbearable today.

2.
adjectiveSing

obnoxious

impossible to put up with

extremely irritating or tiresome

Arrête de râler, tu es vraiment insupportable !

Stop complaining — you're really unbearable!