Translation guide
The ability to move or be moved freely and easily. In Japanese, the translation depends heavily on context: physical movement of people, social/economic movement, or the ability of objects/technology to be moved.
The capacity to move one's body or limbs, often in medical or health contexts.
General term for motor ability or physical mobility. Often used in medical or fitness contexts.
加齢とともに運動能力が低下する。
Mobility declines with age.
Specifically refers to the range of motion or movability of a joint or body part. More technical.
手術後、関節の可動性が改善した。
After surgery, the mobility of the joint improved.
Ability to move from place to place, often used in rehabilitation or disability contexts.
この装置は高齢者の移動能力を支援します。
This device supports the mobility of elderly people.
How easy it is for people to travel or get around, often in urban planning or transportation.
Natural phrase meaning 'ease of movement'. Commonly used in everyday conversation about accessibility.
この街は移動のしやすさが魅力だ。
The mobility in this city is attractive.
Loanword often used in urban planning, transportation, and tech contexts. Can sound trendy.
スマートシティではモビリティの向上が重要だ。
Improving mobility is important in smart cities.
Refers to convenience of transportation access. Often used when describing location advantages.
この地域は交通の便が良い。
This area has good mobility (transportation access).
The ability to move between different levels in society or economy.
Standard term for social mobility. Used in sociology and economics.
教育は社会的流動性を高める。
Education increases social mobility.
Literally 'strata movement', used in academic contexts for class mobility.
階層移動が難しい社会もある。
Some societies have low social mobility.
The quality of being able to be moved easily, often for technology or equipment.
Technical term for portability or transportability of equipment.
この装置は可搬性に優れている。
This device has excellent mobility.
General term for mobility of objects, but can also refer to people. Context-dependent.
Often used for military or tactical mobility, implying agility and speed.
The English word 'mobility' covers many distinct concepts. Using a single Japanese word like 移動性 (idousei) for all contexts will often sound unnatural. Choose the term that matches the specific type of mobility you mean.
ロボットの移動性を向上させる。
Improve the mobility of the robot.
この戦車は機動性が高い。
This tank has high mobility.