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.
The 24-year-old forward, a former No. 2 overall draft pick now playing only 17 minutes a game as a reserve, looks to improve her game while decreasing fouls.
From Los Angeles Times • Jun. 14, 2026
According to Airas, this may indicate that inflammation is more noticeable during the earlier stages of the disease before gradually decreasing over time.
From Science Daily • May 28, 2026
With FAPD, the goal of treatment is decreasing the inflammation that causes irreversible scarring and, if possible, stimulating hair growth in follicles that haven’t been completely damaged.
From Slate • May 23, 2026
Publishers credit Daunt with reducing the number of unsold books Barnes & Noble later returns to them and decreasing the manufacturing, storage and transport costs that they have to cover.
From The Wall Street Journal • May 10, 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.