cu·mu·la·tive 
/ˈkju:mjələtɪv/ adjective
/ˈkju:mjələtɪv/ adjective [more cumulative; most cumulative] 1 : increasing or becoming better or worse over time through a series of additions
▪ the cumulative effect(s) of smoking on the body [=the effect(s) produced by smoking over a long period of time] 2 : including or adding together all of the things that came before
▪ Their cumulative [=total, overall] scores will determine the winner.
▪ the cumulative effect(s) of smoking on the body [=the effect(s) produced by smoking over a long period of time]
▪ Their cumulative [=total, overall] scores will determine the winner.
— cu·mu·la·tive·ly adverb
▪ They have cumulatively spent more than a million dollars on the renovations.
▪ They have cumulatively spent more than a million dollars on the renovations.
