[ dih-kree-sing ]
/ dɪˈkri sɪŋ /
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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.Compare increasing (def. 2).



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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

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Origin of decreasing

Middle English word dating back to 1350–1400; see origin at decrease, -ing2


de·creas·ing·ly, adverbun·de·creas·ing, adjectiveun·de·creas·ing·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021


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.

Where does decreasing come from?

The first records of the word decreasing as an adjective come from the 1300s. Decrease comes from the Latin verb dēcrēscere, from de-, which indicates negation, descent, or reversal, and the Latin verb crēscere, meaning “to grow.”

Something that’s described as decreasing is doing the opposite of growing—it’s becoming smaller in size, quantity, extent, or in some other way. The opposite of decreasing is increasing.

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What are some other forms related to decreasing?

  • decreasingly (adverb)
  • decrease (verb, noun)

What are some synonyms for decreasing?

What are some words that share a root or word element with decreasing

What are some words that often get used in discussing decreasing?

How is decreasing used in real life?

Decreasing is a common word that can be used in all kinds of contexts.

Try using decreasing!

Which of the following words is NOT a synonym of decreasing?

A. lessening
B. dwindling
C. enlarging
D. declining

Example sentences from the Web for decreasing