jackknife
noun
a large pocketknife.
has jackknifed
-
present perfectof jackknife (3rd person singular).present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The goal, he said, was to try to drill down on how lasting, how real and how strong is the Mack truck that has jackknifed his party this summer.
From Los Angeles Times ● Aug. 25, 2015
