also: ゆきどまり
noun
dead end; no through road; cul-de-sac
Refers to a physical road or path that does not continue; also used on signage.
この道は行き止まりです。
This road is a dead end.
行き止まりの標識を見て、引き返
I saw the 'no through road' sign and turned back.
noun
end; limit; as far as one can go
Figurative or extended use: the furthest point one can reach, the end of a process, or the limit of a situation.
交渉は行き止まりに達した。
The negotiations reached a dead end.
この方法では行き止まりだ。
We've hit a dead end with this method.