mobility

mobility — noun

1. how easily a person can move their body from one position or place to another, f

1.名詞B2
釋義

how easily a person can move their body from one position or place to another, for example by walking, standing up, or getting in and out of a seat or bed

例句

After breaking her hip, Paloma's mobility was limited for several months.

possessive noun + mobility — personal physical condition

The nursing home installed grab bars in every bathroom to improve residents' mobility.

同義詞
  • movement

    broader term covering any motion; less specific than mobility about the ability to move freely

  • range of motion

    more technical; refers to how far a body part can move at a joint

  • physical freedom

    less common; emphasises the lack of restriction rather than the ability itself

反義詞
  • immobility

    direct opposite: inability to move

  • paralysis

    stronger and more specific: complete loss of movement in part of the body

用法筆記

Often paired with verbs like improve, maintain, regain, or limit when discussing physical health or recovery.

常見錯誤

He has a good mobility.
He has good mobility.
💡mobility is uncountable and never takes 'a'.

2. the quality of an object or piece of equipment being designed so that it can be

2.名詞B2
釋義

the quality of an object or piece of equipment being designed so that it can be carried, folded, or moved from one location to another without much effort

例句

The lightweight frame gives this folding wheelchair excellent mobility for travel.

collocation: excellent/good mobility (of objects)

Naoko chose the compact speaker because its mobility meant she could take it anywhere.

同義詞
  • portability

    more common and narrower; focuses on being easy to carry

  • transportability

    more formal and less common; emphasises suitability for being moved

  • manoeuvrability

    focuses on ease of steering or moving in tight spaces

反義詞
  • immovability

    the quality of being fixed in place and hard to move

  • bulk

    large size and weight that make movement difficult

用法筆記

Used for objects, furniture, or equipment — not for people. Compare sense 1 (BODY MOVEMENT), which applies to humans.

常見錯誤

This chair has a good mobility.
This chair offers good mobility.
💡use offer or provide rather than have for objects.

3. the ability of an individual or group to rise or fall to a different social clas

3.名詞B2
釋義

the ability of an individual or group to rise or fall to a different social class, income level, or professional position within a society's structure

例句

Access to higher education has long been considered the engine of upward social mobility.

collocation: upward / downward social mobility

Devika's promotion to store manager after years on the sales floor showed real economic mobility.

collocation: economic mobility + possessive noun describing a person's career path

同義詞
反義詞
  • social stagnation

    the condition where social position remains fixed across generations

  • class rigidity

    a system that makes it difficult to move between social classes

用法筆記

Frequently modified by adjectives indicating direction (upward, downward) or domain (social, economic, job, occupational). Commonly appears in academic, political, and journalistic writing.

常見錯誤

Social mobility means how people can move.
Social mobility refers to the opportunity for individuals to change their social or economic position.
💡avoid simple repetition of the word move in the explanation.
The mobility in this company is good.
Job mobility in this company is high.
💡use high/low rather than good/bad when quantifying mobility.

4. the degree to which a person can use internet services, apps, or communication t

4.名詞B2
釋義

the degree to which a person can use internet services, apps, or communication tools on a portable device such as a smartphone or tablet while away from a fixed office or home

例句

The new software platform was built with full mobility in mind for remote workers.

collocation: (built/designed) with mobility in mind

Advances in 5G networks have dramatically improved mobility for professionals on the go.

同義詞
  • mobile access

    more concrete; refers to the ability to reach services via a mobile device

  • on-the-go connectivity

    informal; emphasises staying connected while travelling

  • remote access

    broader; includes working from home or any off-site location, not just while moving

反義詞
  • fixed access

    restriction of services to desktop computers or wired connections

  • stationary use

    using technology only in one fixed location

用法筆記

Common in business and technology writing. Often appears in phrases like mobility solution, mobility strategy, or enterprise mobility.

常見錯誤

Mobility of this phone is good.
This phone offers good mobility for users on the go.
💡mobility in the tech sense refers to the experience, not a built-in property of the device itself.