Definition of instalment in English:

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Pronunciation: /ɪnˈstɔːlm(ə)nt/
(US installment)


1A sum of money due as one of several equal payments for something, spread over an agreed period of time: the first instalment of a grant for housing the purchase price is paid in instalments
More example sentences
  • In some industrial and construction loans the amount lent may be drawn down by the borrower in instalments within an agreed period.
  • Formerly, owners who sold their companies through asset sales and received the payment in installments had to pay taxes on an installment basis also.
  • The policies typically vest in 10 to 20 years, after which investors can withdraw the money in installments or leave it where it is.
part payment, partial payment;
instalment plan, instalment-payment plan, deferred payment;
British  hire purchase, HP;
North American  instalment buying
British informal the never-never
2Any of several parts of something which are published, broadcast, or made public in sequence at intervals: filming the final instalment in his Vietnam trilogy
More example sentences
  • Written anonymously, it was published in instalments on the internet and soon became an underground sensation in mainland China's gay community.
  • The series A Sense of Place will be launched during this special programme and the first instalment will be broadcast from 10.15 to 10.45 am.
  • We gaze obediently like cattle at the television screen perched above, broadcasting the latest installment of a Spanish soap opera.
part, portion, section, segment, division, bit;
chapter, episode, volume, issue
3 [mass noun] The process of installing something; installation: instalment will begin early next year
More example sentences
  • Its instalment has increased the systems capacity to 8,000 of a population.


Mid 18th century (denoting the arrangement of payment by instalments): alteration of obsolete estalment (probably by association with installation), from Anglo-Norman French estalement, from Old French estaler 'to fix'.

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