English Reference

Word

cumulative

Phoneticscu·mu·la·tive

US/ˈkjumjəɫətɪv/

UK/kjˈuːmjʊlətˌɪv/

Definitions

01increasing by additions

B2

adj. increasing or growing by adding one part after another.

adj. increasing or becoming better or worse over time through a series of gradual additions.

“The cumulative effect of many small changes led to a big improvement in his health.”

“The cumulative impact of decades of industrial runoff has significantly altered the local ecosystem, making restoration a complex and lengthy process.”

Synonyms

accumulativecollectiveaggregate

Antonyms

subtractive

02total amount so far

B2 · Math

adj. including all the data or amounts from the beginning up to now.

adj. representing the sum total of all previous data points or values up to a specific moment in time.

“Your final grade is based on your cumulative score from all the tests this year.”

“The report tracks the cumulative rainfall for the region, comparing the year-to-date totals against the historical thirty-year average.”

Academic

Synonyms

03finance/dividends

C1 · Finance

adj. describes a type of payment that must be paid later if it cannot be paid now.

adj. referring to shares or dividends that, if not paid when due, must be added to the next payment and settled before other shareholders receive anything.

“Investors prefer cumulative shares because they eventually get their unpaid dividends.”

“The company issued cumulative preference shares to attract long-term investors who required a guaranteed return, even during periods of low liquidity.”

Technical · Formal

Synonyms

Antonyms

non-cumulative

04legal evidence

C2 · Law

adj. describes extra evidence that just repeats what has already been proven.

adj. referring to evidence or testimony that provides no new information but merely reinforces facts already established by other evidence.

“The judge decided the extra witness was cumulative and did not need to speak.”

“The prosecution's attempt to call a fifth eyewitness was blocked by the defense on the grounds that the testimony would be purely cumulative.”

Technical · Formal

Synonyms

repetitivecorroborative

Real-World Examples

“The rain continued on Monday, bringing the cumulative rainfall total to 912mm by 6pm.”
The Guardian · 18 Aug 2026
“The cumulative area covered by the microalgal blooms reached 43.8 million square kilometers (16.9 million square miles), marking a clear departure from historical patterns.”
ScienceDaily · 3 Aug 2026

Etymology

From cumulate + -ive. Compare also French cumulatif, Italian cumulativo and Spanish cumulativo.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Collocations

cumulative effect

Domains

FinanceLawLinguistics

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

englishreference.com/q/cumulative

English Reference