cumulative

adjective

cu·​mu·​la·​tive ˈkyü-myə-lə-tiv 

-ˌlā-

1

a

: increasing by successive additions

b

: made up of accumulated parts

2

: tending to prove the same point

cumulative evidence

3

a

: taking effect upon completion of another penal sentence

a cumulative sentence

b

: increasing in severity with repetition of the offense

cumulative penalty

4

: formed by the addition of new material of the same kind

a cumulative book index

5

: summing or integrating overall data or values of a random variable less than or less than or equal to a specified value

cumulative normal distribution

cumulative frequency distribution

6

finance

a

: to be added if not paid when normally due to the next payment or a future payment

cumulative preferred dividends

cumulative interest

b

of stock : bearing such a dividend

cumulative preferred stock

cumulatively adverb

cumulativeness noun

Synonyms of cumulative

• accumulative
• additive
• incremental
• gradual

Examples of cumulative in a Sentence

… Game Boy, which first came out in 1989 as a monochrome handheld toy, has become the most successful of all of the systems, reaching cumulative sales of 110 million units to date … —N'gai Croal, Newsweek, 28 May 2001

They began looking at the cumulative effect of stress and realized that, while there might have been an incident that finally triggered the madness, a series of previous events had lowered the soldier's emotional resistance. —Michael Fleming and Roger Manvell, Psychology Today, July 1987

Insist on yourself; never imitate. Your own gift you can present every moment with the cumulative force of a whole life's cultivation; but of the adopted talent of another, you have only an extemporaneous, half possession. —Ralph Waldo Emerson, "Self-Reliance," in Essays,  1841

a cumulative weight gain of 20 pounds over the course of a year

Recent Examples on the Web

The cumulative hospitalization rate is the third highest by this point in the season since 2010-11, but that could change as more people are infected. —Brenda Goodman, CNN Money, 5 Jan. 2026

Together with steer-by-wire technology, Bosch expects cumulative sales exceeding €7 billion by 2032. —Paul Ratner, Interesting Engineering, 5 Jan. 2026

Environmental groups and area fishermen and shrimpers are suing to block the new facility, claiming regulators have not adequately assessed the cumulative environmental impacts of it when considered alongside other LNG export facilities in the area currently operating or in the planning stages. —Center Square, The Washington Examiner, 5 Jan. 2026

The Razorbacks had more cumulative points than their opponents through 12 games before finally falling behind in that category after a 31-17 home loss to Missouri in the season-finale. —Tom Murphy, Arkansas Online, 31 Dec. 2025

Word History

Etymology

see cumulate

First Known Use

1605, in the meaning defined at sense 1b

Phrases Containing cumulative

• cumulative distribution function
• cumulative effect

Kids Definition

cumulative

adjective

cu·​mu·​la·​tive ˈkyü-myə-lət-iv 

-ˌlāt-

: increasing (as in force, strength, or amount) by additions one after another

cumulative effects

cumulatively adverb

cumulativeness noun

Medical Definition

cumulative

adjective

cu·​mu·​la·​tive ˈkyü-myə-lət-iv, -ˌlāt- 

: increasing in effect by successive doses (as of a drug or poison)

cumulative poisoning by organochlorine pesticides

—Jack Clincy

cumulatively adverb

Legal Definition

cumulative

adjective

cu·​mu·​la·​tive ˈkyü-myə-lə-tiv, -ˌlā- 

1

: increasing by successive additions

2

: tending to prove the same point

cumulative testimony

3

: following in time