Jack-knife
Word Forms of "jack-knife" (7 forms)
Verb
| Form | Word | |
|---|---|---|
| Alternative | jackknife | |
| Participle, Past | jack-knifed | |
| Participle, Present | jack-knifing | |
| Past | jack-knifed | |
| Present, Singular, Third-Person | jack-knifes |
Alternativejackknife
Participle, Pastjack-knifed
Participle, Presentjack-knifing
Pastjack-knifed
Present, Singular, Third-Personjack-knifes
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.