The word "fluctuate" is a correct and usable word in written English. It is used to describe when something is changing between different values or levels. For example, "The stock market has been known to fluctuate rapidly.".
The numbers fluctuate daily, but on Tuesday afternoon it had 905 registered migrants, including 142 minors, both with families and without.
But one of those surveyed, Marlon Alaniz, explained how yields fluctuate between farms even within a given year, making life even more unpredictable.
Although weight loss is what my body needs, it feels like a massive trauma, and my energy levels fluctuate dramatically.
"It's not unusual in political campaigns, or indeed on budget days, for the value of the pound to fluctuate.
These quarterly statistics always fluctuate.
They can fluctuate sharply from week to week.
Most of the newcomers offer automatic rebalancing of portfolios, so an investor's exposure to stocks or bonds stays much the same even as prices fluctuate.
Awesome tool! I started using it one year ago and I never had to look for another app
Ha Thuy Vy
MA of Applied Linguistic, Maquarie University, Australia