English Lexicon

Lump-Sum

/lʌmp sʌm/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A single payment made at one time, rather than a series of payments.

    "The contractor requested a lump-sum payment for the entire project."
  2. 2

    An amount of money that is paid in one installment.

    "She received a lump-sum distribution from her retirement account."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'lump-sum' combines 'lump', which originates from Middle English 'lumpe', meaning a mass or a clump, and 'sum', derived from Latin 'summa', meaning total or whole. The phrase began to be used in financial contexts in the 19th century to denote a single payment covering multiple expenses.

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