The meaning of DECREASE is to become smaller in size, amount, number, or intensity. How to use decrease in a sentence. Synonym Discussion of Decrease.

DECREASE meaning: 1 : to become smaller in size, amount, number, etc.; 2 : to make (something) smaller in size, amount, number, etc.

Our share of the market has decreased sharply this year. We have decreased our involvement in children's books.

Decrease and lessen have the most general application: saw the plane descend as its speed decreased; vowed to decrease government spending; an appetite that lessened as the disease progressed; …

decrease (from something) (to something) The number of new students decreased from 210 to 160 this year. decrease by something The price of wheat has decreased by 5 per cent.

Jan 5, 2026 · decrease (third-person singular simple present decreases, present participle decreasing, simple past and past participle decreased) (intransitive) Of a quantity, to become smaller.

When something decreases or when you decrease it, it becomes less in quantity, size, or intensity. Population growth is decreasing by 1.4% each year. [VERB + by] The number of independent firms …

decreased Add to list Definitions of decreased adjective made less in size or amount or degree synonyms: reduced

An early death due to disease decreased over the course of the last decade, just as it has since the advent of modern medicine.

DECREASE definition: to diminish or lessen in extent, quantity, strength, power, etc.. See examples of decrease used in a sentence.