Does Jackknife Have a Hyphen?

Jackknife is the usual spelling for both the noun and the verb, but jack-knife is also seen. As he walked down the deserted country road, Juan Carlos found a brand-new jackknife.

Is jackknife one word?

noun, plural jack·knives. a large pocketknife. Fancy Diving. a dive in which the diver bends in midair to touch the toes, keeping the legs straight, and then straightens out.

How do you use jackknife in a sentence?

jackknife in a sentence
  1. He made a split-second decision and jackknifed his truck.
  2. Then when he did what he did ( and jackknifed ).
  3. "We've got jackknifed trucks and people stranded.
  4. The horses took fright, reared up and the coach jackknifed.
  5. Police said he misapplied the brake, causing the truck to jackknife.
Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.