What is the opposite of "paying by installments"? I'm looking for the proper financial term for paying in full in a single payment.

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    Hi @Scruffy, and welcome to EL&U. I've edited your question to clarify what opposite refers to here. If you meant something else by opposite, please feel free to roll back or edit further. – Lawrence Aug 18 '16 at 11:59
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    What's wrong with "paying in full"? – Hot Licks Aug 18 '16 at 12:20
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    I came up with one-time payment and upfront payment. – Scruffy Aug 20 '16 at 16:03

The opposite of paying by instalments is usually to pay in a lump sum.

Wikipedia says:

A lump sum is a single payment of money, as opposed to a series of payments made over time (such as an annuity).


You may use the expression:

  • to pay in one installment.


  • Lump sum payment. n.

    • A single sum of money that serves as complete payment.

    • A lump-sum payment is usually taken in lieu of recurring payments distributed over a period of time.



If you decide that you don't want to pay by installments, you can "pay in full."

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