jackknife
verb/ˈdʒæknaɪf/
/ˈdʒæknaɪf/
[intransitive]Verb Forms
| present simple I / you / we / they jackknife | /ˈdʒæknaɪf/ /ˈdʒæknaɪf/ |
| he / she / it jackknifes | /ˈdʒæknaɪfs/ /ˈdʒæknaɪfs/ |
| past simple jackknifed | /ˈdʒæknaɪft/ /ˈdʒæknaɪft/ |
| past participle jackknifed | /ˈdʒæknaɪft/ /ˈdʒæknaɪft/ |
| -ing form jackknifing | /ˈdʒæknaɪfɪŋ/ /ˈdʒæknaɪfɪŋ/ |
- to form a V-shape. For example if a lorry that is in two parts jackknifes, the driver loses control and the back part moves towards the front part.Topics Transport by car or lorryc2Oxford Collocations DictionaryJackknife is used with these nouns as the subject:
- lorry
Check pronunciation:
jackknife