Definition of "ceremony" in English

noun

1. A ritual, with religious or cultural significance.

2. An official gathering to celebrate, commemorate, or otherwise mark some event.

   • a graduation ceremony, an opening ceremony

3. (uncountable) A formal socially established behaviour, often in relation to people of different ranks; formality.

4. (uncountable) Show of magnificence, display, ostentation.

5. (obsolete) An accessory or object associated with a ritual.

6. (obsolete) An omen or portent.