This is the 938th most frequent Russian word.
последний
"Последний" means "last" or "final" in English.
Here 'последний' is used to mean 'last' as in the most recent or final instance of an occurrence.
Последний раз я видела его неделю назад.
The last time I saw him was a week ago.
In this sentence, 'последний' is used to signify the final opportunity available.
Это был последний шанс доказать свою правоту.
That was the last chance to prove one's point.
The word 'последний' refers to the house that is situated at the end of a sequence or street.