decreasing
Americanadjective
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becoming less or fewer; diminishing.
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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
- decreasingly adverb
- undecreasing adjective
- undecreasingly adverb
Etymology
Origin of decreasing
Middle English word dating back to 1350–1400; 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.
Theories to explain decreasing crime range from an influx of federal funding to stepped-up police enforcement, along with longer-term societal shifts, like reduced alcohol consumption and increased time spent alone.
From The Wall Street Journal • Mar. 14, 2026
Rising costs and decreasing reliability are a dangerous mix for an industry that isn’t particularly popular even in good times.
From Barron's • Feb. 25, 2026
It had happened in the 1960s and 70s, when “racial fears, decreasing property values” and other factors triggered white flight.
From Los Angeles Times • Feb. 19, 2026
The inflation report showed gasoline prices decreasing 7.5% year over year, he noted.
From MarketWatch • Feb. 13, 2026
On one of the shelves, Mariam saw a collection of identical wooden dolls, arranged in a line in order of decreasing size.
From "A Thousand Splendid Suns" by Khaled Hosseini
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.
