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📕 rednote ID(小红书号)：3881567312

Variable Meaning: Changeable & Adjustable Usage (2 meaning)

Meaning 1：changeable (variable)

variable 🔊

/ˈver.i.ə.bəl/

adj.

Something that changes often and does not stay the same.

Variable weather scene showing sunny and rainy park sides

changeable 🔊

➕

/ˈtʃeɪndʒəbəl/

adj.

Describes something that frequently changes, making it inconsistent or unpredictable.

📁 Category：School Education 🔖 Level：Intermediate

📘 Details & Usage

📖 Root Explanation

From Latin 'variabilis', from 'variare' (to change) + '-abilis' (able).

💡 Mnemonic

Think 'vary' + 'able' = able to vary. Imagine a chameleon changing colors on different surfaces.

📖 Example

Her performance in math class has been quite variable this semester; sometimes she gets top marks, and other times she struggles with the basics. 🔊 Her performance in math class has been quite variable this semester; sometimes she gets top marks, and other times she struggles with the basics.

🔗 Collocations

variable weather – Weather that changes frequently, e.g., sunny then rainy

variable quality – Quality that is not consistent; sometimes good, sometimes bad

variable results – Results that differ each time rather than being constant

🔄 Synonyms

changeable (adj.) – Liable to change; not fixed

unstable (adj.) – Not stable; likely to change or fluctuate

inconsistent (adj.) – Not consistent; varying in quality or behavior

🚫 Antonyms

stable (adj.) – Not likely to change; steady

constant (adj.) – Remaining the same over a period

consistent (adj.) – Always acting or behaving in the same way

🌱 Derivatives

variability (n.) – The quality of being variable

variably (adv.) – In a variable manner

invariable (adj.) – Not variable; constant

📖 Cultural Story

First used in the 14th century, borrowed from Old French. In mathematics and programming, it denotes a quantity that can change. Also common in statistics for data points that vary.

Meaning 2：adjustable (variable)

variable 🔊

/ˈver.i.ə.bəl/

adj.

Something that can be changed, adjusted, or controlled.

Hand adjusting variable dial on control panel close-up

adjustable 🔊

➕

/əˈdʒʌstəbəl/

adj.

Refers to something that can be modified, tuned, or set to different values according to need.

📁 Category：Technological Inventions 🔖 Level：Intermediate

📘 Details & Usage

📖 Example

This new model of smartwatch has a variable screen brightness, so you can set it to be dimmer at night to save battery. 🔊 This new model of smartwatch has a variable screen brightness, so you can set it to be dimmer at night to save battery.

🔗 Collocations

variable speed – Speed that can be adjusted, e.g., on a fan or drill

variable temperature – Temperature that can be set to different levels

variable settings – Settings that allow user customization

🔄 Synonyms

adjustable (adj.) – Capable of being adjusted to different positions or levels

modifiable (adj.) – Able to be changed or adapted

tunable (adj.) – Capable of being tuned or adjusted to a desired state

🚫 Antonyms

fixed (adj.) – Not able to be changed; set in place

constant (adj.) – Remaining the same; not variable

immutable (adj.) – Unchanging over time or unable to be changed

🌱 Derivatives

variation (n.) – A change or difference in condition, amount, or level

variability (n.) – The quality of being able to vary

invariable (adj.) – Not subject to change; constant