ˈkju:mjulətɪv adj. 1 a increasing or increased in
amount, force,
etc., by
successive additions (cumulative evidence). b formed by successive additions (learning is a cumulative process). 2
Stock Exch. (of shares) entitling holders to
arrears of
interest before any other distribution is
made. øcumulative
error an error
that increases
with the size of the
sample revealing
it. cumulative voting a
system in
which each voter has as
many votes as
there are candidates
and may give all to
one candidate. øøcumulatively adv. cumulativeness n.