- present participle of decrease.
decreasing
Americanadjective
-
becoming less or fewer; diminishing.
-
Mathematics. (of a function) having the property that for any two points in the domain such that one is larger than the other, the image of the larger point is less than or equal to the image of the smaller point; nonincreasing.
Usage
What does decreasing mean? Decreasing is an adjective that means lessening or in decline—becoming less in number, amount, size, or in some other way. It comes from the continuous tense (-ing form) of the verb decrease, which means to lessen or become reduced in number, amount, size, or in some other way, as in Our profits will continue to decrease unless we cut costs. The word decreased can also be used as an adjective to describe things that have lessened or declined, as in a decreased appetite. Example: Decreasing sales have forced the company to cut costs.
Other Word Forms
Etymology
Origin of decreasing
Middle English word dating back to 1350–1400; see origin at decrease, -ing 2
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.
State media later said the risk from that lake was "decreasing" and rescue operations were proceeding "in an orderly manner".
From Barron's ● Aug. 28, 2026
The personal-consumption expenditures price index rose by 0.2% in July, after decreasing by 0.1% in June.
From The Wall Street Journal ● Aug. 26, 2026
One widely discussed explanation had been that GLP-1 medications cause weight loss by decreasing the activity of neurons responsible for promoting hunger.
From Science Daily ● Aug. 20, 2026
For that to happen, it would require fundamental policy adjustments, like decreasing the size of the federal budget deficit, to address investors’ concerns in a more sustainable way.
From MarketWatch ● Aug. 19, 2026
It was nearly dusk: the activities of the city were beginning to die down, the noise was decreasing.
From "Nectar in a Sieve" by Kamala Markandaya
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
