flatten
verb (used with object)
to make flat.
has been flattening
-
present perfect progressiveof flatten (3rd person singular).present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
However, the yield curve began rolling over in April 2025 and has been flattening again since year-end.
From Barron's ● Jun. 26, 2026
Treasury yield curve has been flattening over the last few months as the Federal Reserve prepares to hike rates, and some analysts are forecasting more extreme moves or even inversion.
From Reuters ● Feb. 3, 2022
That part of the curve is not close to inversion, although it has been flattening sharply.
From Reuters ● Feb. 3, 2022
However, the the decline has been flattening and has actually begun to increase in recent days.
From BBC ● May 10, 2021
Growth has been flattening out, but overall sales for the year look set to reach around 2.9 million and Ghosn expects yearly sales to reach 4 million at some point in the 2020s.
From Reuters ● Dec. 12, 2012
