insupportable

/ɛ̃sypɔʁtabl/
1.
adjectiveSing

unbearable

intolerable (physically or in terms of conditions)

Il fait une chaleur insupportable aujourd'hui.

The heat is unbearable today.

Synonyms:insoutenable, intenable, invivable
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!

Synonyms:pénible, agaçant, relou, insoutenable