Translation guide
How to express that something is next to, adjoining, or neighboring something else in Japanese.
Describing that one thing is directly beside another, touching or very close.
Formal and precise. Used for buildings, rooms, land, etc. that are directly adjacent.
My house is adjacent to the park.
To be next to each other, often for two things of the same kind. Common in everyday speech.
Literally 'exists next to'. Very common for saying something is next door or right beside.
To touch or be in contact with; used for borders, boundaries, or surfaces.
Attributive form meaning 'adjacent'. Used before nouns.
I can hear sounds from the adjacent room.
Describing areas, towns, or countries that are next to each other.
Means 'next' or 'neighboring'. Very common for rooms, houses, towns, etc.
Specifically for rooms that are connected or next to each other.
Adjoining rooms, often with a connecting door. Common in hotels or houses.
Describing adjacent angles, sides, etc.
Used in math for adjacent angles, vertices, etc.
「隣接する」 is formal and often used for buildings or land. 「隣にある」 is casual and used for everyday objects or places.
The two houses are adjacent to each other.
The post office is adjacent to the bank.
この土地は道路に接している。
This land is adjacent to the road.
You can walk to the adjacent town.
Means 'neighboring' or 'surrounding'. Slightly formal.
Cooperate with adjacent countries.
Neighboring country. Used in news or formal contexts.
Relations with the adjacent country improved.
We booked adjacent rooms.
The next room, the room adjacent. Very common.
Is someone in the adjacent room?
The sum of two adjacent angles is 180 degrees.
Also used in math contexts, slightly less formal.
Measure the length of adjacent sides.
The library is adjacent to the city hall. (formal)
The convenience store is next to the post office. (casual)
「隣」 implies direct adjacency. For 'nearby' but not adjacent, use 「近く」 (chikaku).
The station is nearby. (not necessarily adjacent)