Fluctuate

/ˈflʌk.tʃu.eɪt/

Meaning & Definition

verb
to rise and fall irregularly in number or amount
The stock market tends to fluctuate throughout the day based on trading activity.
to vary or change, especially from one state to another
Temperatures can fluctuate greatly between day and night in the desert.
to move or sway in a rising and falling pattern
The water level in the lake fluctuates with the seasons.
to change continuously; to be uncertain or variable
His opinion on the matter began to fluctuate as new information came to light.
to alternate or oscillate between different levels
The prices of goods can fluctuate due to market demand.

Etymology

Late Latin fluctuat-, fluctuans, from Latin fluctuare to flow, from fluctus wave.

Common Phrases and Expressions

price fluctuate
To see prices change continuously in a market.
fluctuate wildly
To change dramatically or unpredictably.
fluctuate between extremes
To switch back and forth between two opposite states.

Related Words

oscillate
To move or swing back and forth in a regular rhythm.
vary
To change or alter, especially in form or nature.
vacillate
To waver between different opinions or actions.

Slang Meanings

Ride the wave
When prices fluctuate, just ride the wave and wait for the right moment to invest.
Go with the flow
The market fluctuates a lot, so just go with the flow and adapt your strategy.