time machine

noun

: a hypothetical device that permits travel into the past and future

Examples of time machine 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.
Scientists have taken advantage of this DNA time machine for one of the world's most endangered marine animals, revealing a story that can't be told by population counts alone. Melissa Cristina Márquez, Forbes.com, 10 Aug. 2026 Watching the first episode of Ultimate Girl’s Trip is like riding in a malfunctioning time machine. Brian Moylan, Vulture, 10 Aug. 2026 Things kick off when Stewie discovers Brian has been using a time machine as a way to impress women from the bar for hookups. Chris Snellgrove, Entertainment Weekly, 25 July 2026 Her carousel post on Instagram highlighted photos from the event, which included a giant inflatable bouncy slide, a cake made to reference the film, and Spencer climbing into a DMC DeLorean sports car resembling the time machine. Brianna Zigler, InStyle, 25 July 2026 See All Example Sentences for time machine

Word History

First Known Use

1894, in the meaning defined above

Time Traveler
The first known use of time machine was in 1894

Browse Nearby Words

Cite this Entry

“Time machine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20machine. Accessed 12 Aug. 2026.

Kids Definition

time machine

noun
: a fictional machine that allows one to travel backward or forward in time
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