verb ·Rare ·Advanced level

Definitions

Verb

1. 1
   simple past and past participle of jackknife form-of, participle, past

Synonyms

All synonyms

adzaxbelly busterbelly flopbelly whopperblade

Example

More examples

"A big rig jackknifed on Park Street this morning; commuters are urged to use Main Street as an alternate route."

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.