Extrapolation

noun

noun ·5 syllables ·Uncommon ·College level

Definitions

Noun
  1. 1
    A calculation of an estimate of the value of some function outside the range of known values. countable, uncountable
  2. 2
    an inference about the future (or about some hypothetical situation) based on known facts and observations wordnet
  3. 3
    An inference about some hypothetical situation based on known facts. countable, uncountable

    "Casting further doubt on Kerner’s extrapolations from Gebhard’s data, it’s unclear what happened during those 21 minutes of foreplay. Blow jobs? Kissing? Role-playing? We don’t know."

  4. 4
    (mathematics) calculation of the value of a function outside the range of known values wordnet
  5. 5
    The diametric opposite of interpolation. countable, uncountable

Synonyms

All synonyms
accessionaccessoryaccompanimentactualizationaddendaaddendum

Example

More examples

"Casting further doubt on Kerner’s extrapolations from Gebhard’s data, it’s unclear what happened during those 21 minutes of foreplay. Blow jobs? Kissing? Role-playing? We don’t know."

Etymology

Morphologically extrapolate + -ion

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.