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.
From $12,080 No one has invented a time machine yet, but this adults-only hotel in Milan’s answer to the Hamptons is the next best thing. Todd Plummer, Robb Report, 19 June 2026 This summer, fast food brands in particular are capitalizing on the throwback trend, no time machine required. Kelly McCarthy, ABC News, 17 June 2026 As if rapping from a speeding time machine, Wiki flows about yellow taxis turning into Uber Eats over an instrumental that cruises from a soft breakbeat into a total breakdown of glitchy scratches courtesy of Lil Ugly Mane. Lei Takanashi, Pitchfork, 16 June 2026 Peering back through this cosmic time machine will help astronomers trace how the universe has expanded over its history — offering further insight into dark energy. Denise Chow, NBC news, 15 June 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 24 Jun. 2026.

Kids Definition

time machine

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