- present perfect progressive of decline (3rd person singular).
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.
The amount of crude oil originating in the state has been declining since the early 2000s, as state regulations and drilling costs have led to more imports.
From Los Angeles Times • Apr. 24, 2026
However, China now exports twice as many cars as Japan and the latter’s share of global vehicle production has been declining, he says.
From The Wall Street Journal • Apr. 7, 2026
The U.S. dollar has been declining for more than a year.
From Barron's • Mar. 20, 2026
For the XLF, the 200-DMA has been has been declining since March 5; the last time it has had sustained declines longer than that was during the second half of 2023.
From MarketWatch • Mar. 14, 2026
As a consequence, the amount of sunlight that is absorbed by the ground has been declining, and by changes in the land use we are lowering the surface temperature of our planet.
From "Cosmos" by Carl Sagan
![]()