interpolate

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UK/ɪnˈtɜː.pəˌleɪt/Canada, US/ɪnˈtɝ.pəˌleɪt/Australia/ɪnˈtɜː.pəˌlæɪt/

verb

To introduce (something) between other things; especially to insert (possibly spurious) words into a text.

“in verse 74, the second line is clearly interpolated, probably by some unknown medieval scribe”

UncommonScrabble 13

Meanings

verbinterpolate (third-person singular simple present interpolates, present participle interpolating, simple past and past participle interpolated)

present singular third person interpolates · participle present interpolating · participle past interpolated · past interpolated

  1. intransitivetransitiveTo introduce (something) between other things; especially to insert (possibly spurious) words into a text.

    in verse 74, the second line is clearly interpolated, probably by some unknown medieval scribe

    1 more example

    When interpolating an explanatory gloss, please enclose it in square brackets to make clear that it is interpolated.

  2. mathematicsTo estimate the value of a function between two tabulated points.
  3. computingDuring the course of processing some data, and in response to a directive in that data, to fetch data from a different source and process it in-line along with the original data.

    A macro is invoked in the same way as a request; a control line beginning .xx will interpolate the contents of macro xx.

    2007, Joseph F. Ossanna, Nroff/Troff User's manual

    Synonyms: transclude

Synonyms & antonyms

verbDuring the course of processing some data, and in response to a directive in that data, to fetch data from a different source and process it in-line along with the original data.

Similar

More synonyms by meaning

verbestimate the value of something based on known values

verbinsert words into texts, often falsifying it thereby

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latininterpolātus
  2. Englishinterpolate

From Latin interpolātus, perfect passive participle of interpolō, see -ate (verb-forming suffix). Compare French interpoler.

Full word history & related roots →

Translations

Bulgarian вмъквам, интерполирам
  • вмъквам (vmăkvam)to introduce something, such as words, between other things, such as other words
  • интерполирам (interpoliram)to estimate the value of a function
Catalan interpolar, interpolar
  • interpolarto introduce something, such as words, between other things, such as other words
  • interpolarto estimate the value of a function
Czech interpolovat
  • interpolovatto estimate the value of a function
Finnish interpoloida
  • interpoloidato estimate the value of a function
French interpoler
  • interpolerto estimate the value of a function
German interpolieren
  • interpolierento estimate the value of a function
Hungarian beszúr, közbeszúr
  • beszúrto introduce something, such as words, between other things, such as other words
  • közbeszúrto introduce something, such as words, between other things, such as other words
  • közbeiktatto introduce something, such as words, between other things, such as other words
  • beékelto introduce something, such as words, between other things, such as other words
Irish cuir isteach
  • cuir isteachto introduce something, such as words, between other things, such as other words
Polish wstawiać, wstawić
  • wstawiaćto introduce something, such as words, between other things, such as other words
  • wstawićto introduce something, such as words, between other things, such as other words
  • interpolowaćto estimate the value of a function
  • interpolowaćto fetch data from a different source and process it in-line along with the original data
Russian интерполировать, интерполи́ровать
  • интерполировать (interpolirovatʹ)to introduce something, such as words, between other things, such as other words
  • интерполи́ровать (interpolírovatʹ)to estimate the value of a function
Spanish interpolar, interpolar
  • interpolarto introduce something, such as words, between other things, such as other words
  • interpolarto estimate the value of a function
Tagalog isalingit
  • isalingitto estimate the value of a function

Rhymes & wordplay

Sounds the same

interpellate (some pronunciations)

Anagrams

Cite this entry
APA

interpolate. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/interpolate

MLA

“interpolate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/interpolate. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “interpolate,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/interpolate.

Source: interpolate on Wiktionary, CC BY-SA 4.0.