firstday
nounUK /ˈfɜːst deɪ/
US /ˈfɜːrst deɪ/
The first day is the day when something new starts.
She was very excited on her first day of school.
RELATED WORDS
OTHER MEANINGS
2. The day a new job or school year begins.
His first day at the new office went smoothly.
3. The earliest day of a trip or event.
We spent our first day at the beach.
4. A day of fresh beginnings or a new chapter.
Moving to the city felt like a first day all over again.