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
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.
The state ballot measures aim to fix the housing crisis in various ways, from amending regulations so home-building is easier, to decreasing the ongoing cost of homeownership by cutting taxes.
From MarketWatch ● Oct. 13, 2026
The feed industry has emphasized that it is decreasing its reliance on fishmeal and fish oil — and especially the use of whole fish or fish parts that can be eaten by people.
From Los Angeles Times ● Oct. 9, 2026
The indignity and grime of poverty, the constant close proximity, the competitive scramble for decreasing amounts of writing time made them hunker defensively.
From The Wall Street Journal ● Oct. 1, 2026
Penguins with narrower diets, including Emperors and Adélies, are decreasing in number in some regions.
From Science Daily ● Sep. 22, 2026
He was worried about the decreasing food supply.
From "Death on the River of Doubt" by Samantha Seiple
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