fluctuate meaning

The word ‘fluctuate’ means to change or move up and down.

fluctuate :

to change, to vary

Verb

▪ Prices fluctuate daily.

▪ Prices change every day.

▪ The temperature fluctuates in spring.

▪ The temperature changes in spring.

paraphrasing

▪ vary – to change

▪ swing – to move up and down

▪ oscillate – to move back and forth

▪ waver – to go back and forth

Pronunciation

fluctuate [ˈflʌk.tʃuˌeɪt]

The stress is on 'fluc' and sounds like 'fluk-choo-eyt'.

Common phrases and grammar about fluctuate

fluctuate - Common meaning

Verb
to change, to vary

Part of Speech Changes for "fluctuate"

▪ fluctuation (noun) – a change or variation

▪ fluctuating (adjective) – changing or varying

Common Expressions with "fluctuate"

▪ fluctuate widely – to change a lot

▪ fluctuate over time – to change as time goes by

▪ fluctuate with the market – to change with market conditions

▪ fluctuate in value – to change in worth

Important examples of fluctuate in TOEIC

Vocabulary examples from the TOEIC test

In TOEIC vocabulary questions, fluctuate often means to change in terms of prices or data.

▪The stock prices fluctuate frequently.
▪The stock prices change often.

Example of a confusing word: stabilize (to make steady)

▪The stock prices stabilize frequently.
▪The stock prices become steady often.
"Fluctuate" is an intransitive verb meaning "to change or vary irregularly," often used with data or prices. In the sentence "The stock prices fluctuate frequently," it correctly describes the frequent changes in stock prices. "Stabilize," however, means "to make or become stable," which is the opposite of fluctuating. Saying "The stock prices stabilize frequently" is contradictory because stabilization implies a lack of frequent change. Therefore, "fluctuate" is the correct choice here.

Grammar examples from the TOEIC test

Fluctuate is used as an intransitive verb, often appearing in grammar questions to show changes.

▪The exchange rate fluctuates daily.
▪The exchange rate changes every day.

fluctuate

Idioms and fixed expressions in TOEIC

fluctuate in price

'change in cost', used when discussing financial topics.

▪Oil prices fluctuate in price.
▪Oil prices change in cost.

fluctuate like a yo-yo

means 'to change a lot and often', used informally.

▪His moods fluctuate like a yo-yo.
▪His moods change a lot and often.

Differences between similar words and fluctuate

fluctuate

,

vary

differences

Fluctuate is used for changes up and down, while vary is used for general changes.

fluctuate
▪The temperature fluctuates during the day.
▪The temperature changes up and down during the day.
vary
▪The colors vary between seasons.
▪The colors change between seasons.
fluctuate

Words with the same origin as fluctuate

The origin of fluctuate

fluctuate comes from the Latin 'fluctuare', which means to move like a wave.

Word structure

It has the root fluct (wave) and suffix ate (verb), meaning 'to move like a wave'.

Words with the same origin

The root of fluctuate is fluct (wave). Words with the same root include influx (a flowing in).

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