* For appointments, events, or bookings: रद्द करना (radd karna)
* For deleting or removing something: रद्द करना (radd karna) or हटाना (hatana)
* For terminating something: रद्द करना (radd karna) or खत्म करना (khatam karna)
Example:
* मैं अपनी यात्रा रद्द करना चाहता हूँ। (Main apni yatra radd karna chahta hoon.) I want to cancel my trip.
* कृपया यह फ़ाइल हटा दें। (Kripya yeh file hata den.) Please delete this file.
You can also use the English word "cancel" in Hindi, but it is usually written in Roman script.
It's important to choose the correct word based on the context to ensure clear communication.