Pronunciation: /flʌk.tʃuˈeɪ.ʃən/
noun the action of moving back and forth or up and down
A1 I noticed a small fluctuation in the temperature outside.
A2 The fluctuation in prices made it difficult to budget for the month.
B1 The fluctuation in his mood was concerning to his friends.
B2 Economic analysts are studying the fluctuation of the stock market.
C1 The fluctuation in exchange rates can have a significant impact on international trade.
C2 Climate scientists are closely monitoring the fluctuation in global temperatures.
formal The stock market experienced a significant fluctuation in prices today.
informal The prices of the products kept going up and down all day, it was a real rollercoaster.
slang The weather has been so up and down lately, such a fluctuation.
figurative Her mood fluctuation was evident throughout the day, from happy to sad in a matter of minutes.
fluctuated
fluctuations
more fluctuating
most fluctuating
fluctuates
will fluctuate
has fluctuated
is fluctuating
fluctuation
fluctuation
to fluctuate
fluctuating
fluctuated