first night

first night (plural first nights)

1. The first public performance of a play or other show, normally assumed to be held in the evening.

   The first night was a disaster, and the cast were mostly in tears.

2. The first night after marriage.
   • 2021 September 23, Poulomi Sarkar, “Here’s How You Can Make Your First Night Special!!!”, in Woman's era‎, archived from the original on 26 September 2021:

     […] the first night seems to be playing a strong role in the development of the pioneer for the relationship.

   • 1985, Richard Smith, Newlyweds' Guide to Sex on the First Night‎ (Humor), New York: Workman Pub, →ISBN, →ISBN:

3. Used other than figuratively or idiomatically: see first,‎ night.

• first-nighter

• first thing