Fluctuation: Meaning, Examples, and Usage

Meaning 1：irregular variation (fluctuation)

fluctuation 🔊

/ˌflʌktʃuˈeɪʃən/

When something, like a number or price, goes up and down in an irregular way.

irregular variation 🔊

➕

/ɪˈrɛɡjələr ˌvɛriˈeɪʃən/

The quality of being irregular in change, often referring to numbers, prices, or values that go up and down without a fixed pattern.

📁 Category：Social Economy 🔖 Level：intermediate

📖 Root Explanation

From Latin 'fluctuare' (to wave) + '-ation' (noun suffix).

💡 Mnemonic

Think of a fluctuating flag flapping in strong wind – up and down, irregularly.

📖 Example

The fluctuation in the stock market makes some investors nervous. 🔊 The fluctuation in the stock market makes some investors nervous.

🔗 Collocations

price fluctuation – Changes in the price of a good or service over time.

market fluctuation – Variations in market conditions, such as stock prices.

temperature fluctuation – Irregular changes in temperature.

🔄 Synonyms

oscillation (n.) – Regular or irregular back-and-forth movement.

variation (n.) – Change in form, position, state, or amount.

instability (n.) – Lack of stability, tendency to change unpredictably.

🚫 Antonyms

stability (n.) – The state of being stable, not changing.

steadiness (n.) – The quality of being steady and regular.

constancy (n.) – The quality of being constant and unchanging.

🌱 Derivatives

fluctuate (v.) – To change irregularly.

fluctuating (adj.) – Changing irregularly.

📖 Cultural Story

From Latin 'fluctus' (wave). Originated in 16th century English for physical undulations, later used for abstract changes like stock prices.