the big day

noun phrase

: the day that something important happens

Tomorrow is the big day.

also : the day someone is to be married

So, when's the big day?

Examples of the big day in a Sentence

Recent Examples on the Web

Members of the royal family again joined King Charles on the big day, including his daughter-in-law Kate Middleton in her first public appearance since announcing her cancer diagnosis in March. —Stephanie Petit, Peoplemag, 15 June 2024

There are two ceremonial rehearsals before the big day Each year, the full parade is actually conducted three times on consecutive weekends. —Rebecca Schneid, TIME, 14 June 2024

For the big day, Diana wore an ivory gown designed by Elizabeth and David Emanuel that was created over the course of three months and featured a 25-foot-long train, puffy sleeves, a ruffled neckline and lace trim. —Alexandra Schonfeld, Peoplemag, 12 June 2024

Volunteers just have to register in advance, and show up on the big day — the chapters take care of cleaning materials. —Catherine Garcia, theweek, 23 Apr. 2024