fluctuate
ˈflʌktʃʊeɪt
Definitions
1. verb
to change frequently in amount or degree, or to rise and fall
“The company’s stock price fluctuated greatly throughout the day.”
2. verb
to move up and down, or to move from side to side
“The boat began to fluctuate on the choppy waters.”
3. verb
to be unstable in amount or degree, or to be subject to change
“The weather in the mountains is prone to fluctuate greatly.”
4. noun
a change in amount or degree, or an unstable condition
“The fluctuation in the market led to a loss of investment.”