Translation guide
Describes movement, travel, or communication that goes in a single direction only.
Describing a trip or ticket that goes to a destination without a return.
Standard word for a one-way trip or ticket. Used for transportation.
片道切符をください。
A one-way ticket, please.
片道で行きます。
I'll go one-way.
Loanword from English, often used in travel contexts like 'one-way ticket' or 'one-way rental'. Slightly more casual.
ワンウェイのレンタカーを借りました。
I rented a one-way car.
Describing a road where vehicles can only travel in one direction.
Standard term for a one-way street or one-way traffic.
この道は一方通行です。
This road is one-way.
Describing a situation where information or feelings flow in only one direction, without reciprocity.
Adjectival phrase meaning 'one-sided' or 'unilateral'. Used for communication, decisions, or feelings.
彼の話はいつも一方的だ。
His way of talking is always one-way.
一方的なコミュニケーションはよくない。
One-way communication is not good.
Also used metaphorically for one-way communication, but less common than 一方的.
A mirror that is reflective on one side and transparent on the other.
Common term for a one-way mirror, literally 'magic mirror'.
取調室にはマジックミラーがある。
There is a one-way mirror in the interrogation room.
Literally 'half mirror', also used for one-way mirrors, especially in technical contexts.
One-way information transmission doesn't deepen understanding.
Observe through a one-way mirror.