(nonce word) The condition or process of being or becoming a jackass (stupid person).
jackknife
jackknife
noun
(statistics) 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.
Alternative spelling of jack-knife
jackknifed
jackknifed
verb
simple past tense and past participle of jackknife
jackknifes
jackknifes
verb
Third-person singular simple present indicative form of jackknife