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.
The alternative is to focus on the here and now, and leave your successor wishing for a time machine. Dev Patnaik, Forbes, 18 Mar. 2025 Didion’s words are a time machine transporting her back to a memory, viscerally, to conjure previous selves. Elizabeth Brown, Hartford Courant, 28 Feb. 2025 Related article Massive ice core is a ‘time machine’ that could help solve an ancient climate mystery, scientists say Today, Earth is heating up rapidly rather than cooling gradually over time. Mindy Weisberger, CNN, 26 Feb. 2025 Listen to this article MIAMI — Sometimes there is no recourse but to climb back in the hot tub time machine and soak it all in. Ira Winderman, Sun Sentinel, 15 Feb. 2025 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

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Cite this Entry

“Time machine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20machine. Accessed 4 Apr. 2025.

Kids Definition

time machine

noun
: a fictional machine that allows one to travel backward or forward in time
Last Updated: - Updated example sentences
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