seesaw
noun
a recreation in which two children alternately ride up and down while seated at opposite ends of a plank balanced at the middle.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He said he first crossed the millionaire line in 2020 but has been seesawing off and on since then.
From Washington Post ● Feb. 24, 2023