Welche Bedeutung steckt hinter der hier vorgestellten Vokabel aus dem Bereich chatting to colleagues?

Ragnar: 'Is everything ok? What was that phone call about?' Sylvia: 'I'm mortified. A customer has just called and asked me where I am because we had an appointment this morning. I forgot all about it!'

mortified

Do you know what it means?

• pleasantly surprised
• very embarrassed
• confused