jumping jack
noun
1
: a conditioning exercise performed from a standing position by jumping to a position with legs spread and arms raised and then to the original position
2
: a toy figure of a man jointed and made to jump or dance by means of strings or a sliding stick
Examples of jumping jack in a Sentence
We did a few jumping jacks to warm up.
Recent Examples on the Web
Spend a few minutes warming up with moves like jumping jacks, high knees, shoulder circles, and standing torso rotations.
—
Jenny McCoy, Outside, 30 Jan. 2026
The trick remains actually running, cycling, or doing jumping jacks consistently.
—Allie Garfinkle, Fortune, 13 Jan. 2026
At the end of the process, Atlas performed jumping jacks that looked just like Whitaker's.
—Bill Whitaker, CBS News, 5 Jan. 2026
In the pool, the women tell jokes and talk about their problems between sets of underwater biceps curls, leg lifts and jumping jacks.
—Bridget Fogarty, jsonline.com, 19 Dec. 2025
See All Example Sentences for jumping jack
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Jenny McCoy, Outside, 30 Jan. 2026
The trick remains actually running, cycling, or doing jumping jacks consistently.
—Allie Garfinkle, Fortune, 13 Jan. 2026
At the end of the process, Atlas performed jumping jacks that looked just like Whitaker's.
—Bill Whitaker, CBS News, 5 Jan. 2026
In the pool, the women tell jokes and talk about their problems between sets of underwater biceps curls, leg lifts and jumping jacks.
—Bridget Fogarty, jsonline.com, 19 Dec. 2025
See All Example Sentences for jumping jack
Cite this Entry
“Jumping jack.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jumping%20jack. Accessed 15 Feb. 2026.
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