I'm sorry, I can't come.
Stress 'di-SPIA-ce'. 'Posso' = POS-so.
Use this to cancel plans via message. Always include a reason ('perché' + explanation) as Italian culture expects justification for cancellations.
'Mi dispiace' = I'm sorry (literally 'it displeases me'). 'Non posso venire' = I can't come. In Italian social culture, cancelling plans without an explanation is considered poor manners. A follow-up message proposing an alternative ('ci rivediamo la prossima settimana?') is appreciated.
Scusa, devo cancellare stasera.
Sorry, I need to cancel tonight.
Alternative opener.
Non ce la faccio. Mi perdoni!
I can't make it. Forgive me!
Stronger apology.
Ci rivediamo la prossima settimana?
Shall we meet again next week?
Proposing an alternative.
Italian cancellation culture is forgiving if accompanied by a genuine reason. However, repeated last-minute cancellations ('buchi' — literally 'holes') are remembered and can damage social reputation. Italian social commitment ('impegno sociale') is taken seriously, and being dependable ('affidabile') is a prized quality.