plural jack-in-the-boxes or jacks-in-the-box
: a toy consisting of a small box out of which a figure (as of a clown's head) springs when the lid is raised

Examples of jack-in-the-box in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Literally a blockbuster as a theme-park ride, Jurassic Park mixes smarts (Hey, Mr. DNA!), Hitchcockian suspense (the raptors in the kitchen scene), jack-in-the-box horror (the water rippling in a cup as the T-rex approaches), and, of course, wonder and awe. Chris Nashawaty, Entertainment Weekly, 13 June 2026 Tyler and Jack Fletcher, the two sons of former Manchester United midfielder Darren Fletcher, were cast to play jack-in-the-box roles in an advert fronted by Scott McTominay. Jordan Campbell, New York Times, 4 June 2026 But then, like some demented jack-in-the-box, the terrier popped up and charged again. Peter Hessler, New Yorker, 31 May 2026 The Nuggets’ jack-in-the-box lost his spring because of his hamstring. Troy Renck, Denver Post, 5 Mar. 2026 Intercoms were also shaped like jack-in-the-box toys, with menus displayed on a plexiglass box topped by a clown’s head. Fielding Buck, Oc Register, 16 Feb. 2026 Since switching to this cable organizer from Travelkin, the days of opening a jack-in-the-box of cords and charging blocks are officially over. Carin Ryan, Travel + Leisure, 11 Feb. 2026 If overpacking is your weakness, then the genius compression technology from Airback can help avoid straining seams and jack-in-the-box unpacking moments. Joanna Carrigan, Condé Nast Traveler, 23 Sep. 2025 This week’s episode picks up with June and Moira popping out of Joseph Lawrence’s car trunk like a couple of jacks-in-the-box. Amanda Whiting, Vulture, 29 Apr. 2025

Word History

First Known Use

1659, in the meaning defined above

Time Traveler
The first known use of jack-in-the-box was in 1659

Browse Nearby Words

Cite this Entry

“Jack-in-the-box.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jack-in-the-box. Accessed 21 Jun. 2026.

Kids Definition

jack-in-the-box

noun
ˈjak-ən-t͟hə-ˌbäks
plural jack-in-the-boxes or jacks-in-the-box
: a small box out of which a figure (as of a clown's head) springs when the lid is raised

More from Merriam-Webster on jack-in-the-box

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster