say it: KYOO-myuh-luh-tiv
cumulative is an adjective meaning "increasing by successive addition". It carries one recorded sense.
increasing by successive addition
“the benefits are cumulative”
“the eventual accumulative effect of these substances”
Definitions, synonyms and semantic relations for cumulative come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.