Jackknife

Last Updated: January 2, 2026 at 12:30 PM

Scrabble:29 ptsWWF:33 pts9 letters

Definition of Jackknife

noun

A compact folding knife.
"He kept a jack-knife in his pocket for various tasks."
The front-dive pike, in which the body folds and unfolds.
"It took me hundreds of dives to master even the simple jackknife"
A semi-trailer truck accident in which the vehicle mimics the closing of a jack-knife.
"I have seen several jack-knives along that dangerous stretch of road."

verb

To fold in the middle, as a jackknife does.
"The cat jackknifed in the air and landed gracefully on its feet."
To cause a semi-trailer truck to fold like a jackknife in a traffic accident.
"Before I knew what was happening, I'd jack-knifed the truck."

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.

Anagrams of Jackknife

Words You Can Make

50 words can be made from the letters in "jackknife":

6-LETTER WORDS

5-LETTER WORDS

finca kanji kenaf knack knife

4-LETTER WORDS

acne akin cafe cain cake cane cine face fain fake fane feck fice fine fink+21 more

3-LETTER WORDS

ace ain ane ani can fan fen fie

+1 Letter Anagrams

Words formed by adding one letter to "jackknife" and rearranging:

Related Word Patterns

JA...Words starting with "ja"...FEWords ending with "fe"All 9-letter words Unscramble "jackknife"

Synonyms & Antonyms

SYNONYMS

leave-one-out

Rhyming Words

afterlife agrafe agraffe alewife antilife birdlife bouffe cafe carafe chafe coiffe cybercafe drawknife farmwife fife+5 more

Related Words

jabberers jabbering jaborandi jacaranda jacinthes jackaroos jackasses jackboots jackeroos jacketing jackfruit jacklight jackplane jackrolls jackscrew