fortieth
🇺🇸
/ˈfɔːrtiəθ/
🇬🇧
/ˈfɔːtiəθ/
A part of something that is one out of forty equal parts.
The fortieth slice of cake was the last one left.
The position in a sequence that is one after the thirty-ninth.
On his fortieth birthday, he decided to travel the world.