Altesse (en. Highness)

/al.tɛs/

Slang Meanings

Term used humorously to refer to someone who thinks they are important.
He acts like he's a highness, but he's just the boss.
Il agit comme si c'était une altesse, mais c'est juste le patron.
Ironic usage to designate someone vain.
Look at him, he looks like a highness in his new suit.
Regarde-le, on dirait une altesse avec son nouveau costume.