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Synonyms

decreasing

American  
[dih-kree-sing] / dɪˈkri sɪŋ /

adjective

  1. becoming less or fewer; diminishing.

  2. 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.

They also are sensitive to environmental conditions and can change chemical composition if stored at the wrong temperatures or shaken too vigorously, increasing the risk of an immune response or decreasing their effectiveness.

From Salon • Apr. 4, 2026

The other countries whose vessels -- of origin or destination -- made the crossing, were in decreasing order: the United Arab Emirates, China, India, Saudi Arabia, Oman, Brazil, and Iraq.

From Barron's • Apr. 3, 2026

But over the past two decades, decreasing water flow has exposed 36,000 new acres of dry lakebed.

From Los Angeles Times • Apr. 3, 2026

So the value of the structure is actually decreasing every year,” one man wrote.

From MarketWatch • Mar. 28, 2026

Strewn around the Cornucopia are other supplies, their value decreasing the farther they are from the horn.

From "The Hunger Games" by Suzanne Collins