Word.ws English Dictionary

jackknife

jackknife noun: a resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate. Also the alternative spelling of jack-knife.

Noun

jackknife (plural jackknives)

  1. A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate.
    Synonyms:
    leave-one-out

Also used as

jackknife is also the alternative spelling of jack-knife.

jackknife is also the alternative form of jack-knife.

Synonyms of jackknife

Forms of jackknife

Noun
pluraljackknives
Verb
third-person singular presentjackknifes
present participlejackknifing
past participlejackknifed
pastjackknifed

Words formed from jackknife

Phrases with jackknife

Questions about jackknife

What does jackknife mean?
Jackknife means a resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate.
What part of speech is jackknife?
Jackknife is a noun.
What is the plural of jackknife?
The plural of jackknife is jackknives.

Words near jackknife in the dictionary

  1. jacking point
  2. jacking points
  3. jacking up
  4. jackings
  5. Jackintosh
  6. jackknife
  7. jackknife clam
  8. jackknife clams
  9. jackknife switch
  10. jackknife switches
  11. jackknifed

Source and license

Adapted from Wiktionary: jackknife (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

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