Translation guide
The English word "flat" covers a wide range of meanings, from physical flatness to a type of apartment. This guide organizes the most common uses for learners and provides natural Japanese equivalents.
Describing a surface that is smooth, level, and without bumps or curves.
The most common adjective for a flat, level surface. Used for tables, land, roads, etc.
This road is flat and easy to walk on.
Let's pitch the tent on a flat spot.
More formal or written. Often used for terrain, roads, or abstract evenness.
This area has continuous flat terrain.
Loanword from English, used in casual or modern contexts, e.g., flat design, flat shoes.
I like flat design.
A self-contained housing unit on one floor of a building.
Common word for a small apartment, often wooden or low-rise. Note: マンション is used for larger, modern concrete apartments.
I live in a flat near the station.
Refers to a condominium-style apartment, usually larger and more modern than アパート. Often used for 'flat' in British English when the building is substantial.
Lacking air, as in a tire or ball.
Used for emphasis, meaning complete or definite.
A charge that does not vary.
Lacking interest, emotion, or excitement.
Shoes without a raised heel.
Singing or playing a note slightly lower than it should be.
In Japanese, アパート usually refers to a small, often wooden, low-rise apartment building, while マンション refers to a larger, modern, reinforced concrete condominium. Both can translate to 'flat' or 'apartment' in English, but the nuance is different. Use アパート for modest flats and マンション for upscale or modern ones.
The most natural way to say 'I have a flat tire' is パンクした. Avoid literal translations like 平らなタイヤ, which sound unnatural.
彼は高級マンションを買った。
He bought a luxury flat.
Formal term for apartment complex or multi-unit housing. Not used in everyday conversation.
There are many flats in this area.
His performance was flat.
この曲はBフラットだ。
This piece is in B flat.