incremental

1 proceeding or changing by steps or degrees the incremental evolution of the collection from a specialized gallery into a comprehensive art museum Synonyms gradational, gradual, phased, piecemeal, step-by-stepRelated Words progressive, stepped, tapered; imperceptible, inching; decrescent, increscentNear Antonyms discontinuous, saltatory; acute, sharp; changeable, dynamic, meteoric, volatileAntonyms abrupt, sudden

2 produced by a series of additions of identical or similar things the incremental total for my collection of baseball cards Synonyms accretive, accumulative, additive, conglomerative, cumulativeRelated Words gradual, step-by-step, stepwise; increscent, progressive; accruable, accrued, aggregated, amassed, built-up, compiled, conglomeratedNear Antonyms decremental, decrescent, degressive, regressive