cumulative

1 ENTRIES FOUND:
cumulative /ˈkjuːmjələtɪv/ adjective
cumulative
/ˈkjuːmjələtɪv/
adjective
Britannica Dictionary definition of CUMULATIVE
[more cumulative; most cumulative]
1 
: increasing or becoming better or worse over time through a series of additions
2 
: including or adding together all of the things that came before

— cumulatively

adverb