Definition of cumulative
1a
: increasing by successive additions
b
: made up of accumulated parts
2
: tending to prove the same point
cumulative evidence
3a
: taking effect upon completion of another penal sentence
a cumulative sentence
b
: increasing in severity with repetition of the offense
cumulative penalty
4
: formed by the addition of new material of the same kind
a cumulative book index
5
: summing or integrating overall data or values of a random variable less than or less than or equal to a specified value
cumulative normal distribution cumulative frequency distribution
6
finance
a
: to be added if not paid when normally due to the next payment or a future payment
cumulative preferred dividends cumulative interest
b
of stock
: bearing such a dividend
cumulative preferred stock
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Merriam-Webster unabridged
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Time Traveler for cumulative
The first known use of cumulative was in 1605
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