The definition of a knife is a tool with a sharp blade and a handle used for cutting or stabbing.
A small knife with blades or a blade that can fold into the handle when not in use.
To cause (a car, airplane, etc.) to crash
(Idiomatic, intransitive) To bend over at the waist.
A bend in a layer of rock or in another planar feature such as foliation or the cleavage of a mineral. Folds occur as the result of deformation, usually associated with plate-tectonic forces.
To pull, break, or snap by turning:
(Naut.) To attach; fasten
Find another word for jackknife. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for jackknife, like: Barlow knife, be wrecked, knife, pocketknife, fold-up, crash, clasp-knife, case-knife, double-up, double-over and fold.