big day
noun/ˌbɪɡ ˈdeɪ/
/ˌbɪɡ ˈdeɪ/
[usually singular] (informal)- a very important day, especially for a particular person or group
- Saturday promises to be a big day for Irish sport.
- The children enjoyed themselves preparing for their big day.
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
- a person's wedding day
- Her family travelled to Australia for the big day.
Check pronunciation:
big day