Last but one in a series of things; second to the last: the penultimate chapter of the book
More example sentences
- It seems certain that the opening chapter of the penultimate story in the series will contain major revelations.
- Even so, they will go tomorrow into the penultimate day of the series knowing they still have a chance of squaring it.
- The penultimate chapter of the book asks if fascism can reappear in modern society, using the five stages as an indicator.
next-to-last, second-to-last, second-last
late 17th century: from Latin paenultimus, from paene 'almost' + ultimus 'last', on the pattern of ultimate.