Word
installment
Phoneticsin·stall·ment, stress on the second syllable
US/ˌɪnˈstɔɫmənt/
UK/ɪnstˈɔːlmənt/
UK spelling · instalment
Definitions
01payment
B2 · Upper Intermediate Countable noun Finance
n. one of several regular payments you make until you have paid the full amount for something.
n. one of a series of settled payments made over a period of time to satisfy a debt or purchase price.
“We are paying for the new sofa in monthly installments of fifty dollars.”
“The loan agreement stipulates that the principal must be repaid in twenty-four equal monthly installments, beginning thirty days after the initial drawdown.”
Antonyms
02part of a series
B2 · Upper Intermediate Countable noun
n. one part of a story that is published or broadcast in several separate pieces.
n. a single part of a serialised work, such as a novel, television programme, or film franchise.
“The final installment of the movie trilogy will be in theaters this summer.”
“The magazine published the novel's first installment in its June issue, generating significant anticipation for the subsequent chapters.”
03installation
C2 · Proficiency Uncountable noun American English · Formal
n. the act of putting a piece of equipment or software into place.
n. the process of setting up or putting something in place for use; a less common variant of 'installation'.
“The installment of the new security system took all afternoon.”
“The rapid installment of the new machinery was essential to meet the factory's increased production targets for the fourth quarter.”
Synonyms
Antonyms
Real-World Examples
“It is paid monthly instalments 14 times per year like salaries are in Spain.” “Post your questions in the comments by 6pm this Thursday 13 August and we’ll print his answers in the next instalment of our readers’ interview series.” Etymology
A 1732 alteration of estallment, from Anglo-Norman estaler (“fix payments”), from Old French estal (“fixed position”), from Old High German stal (“stall", "standing place”) The sense of "part of a whole produced in advance of the rest" is from 1823.
From install + -ment, install from Old French installer, from Medieval Latin installare, from Medieval Latin in- and Medieval Latin stallum, stall from a Germanic source (compare Old High German stal).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
VERB
NOUN
Domain
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Frequent
- Level
- B2 · Upper Intermediate
- Updated
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