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 ruthless annihilating self-criticism silenced by looking into your big brown eyes, a mirror and a time machine. Hannah Sacks, PEOPLE, 12 Dec. 2025 This use of the tape acts as a time machine, connecting the past and present, and preventing the historical record from being washed away. Robert Lang, Deadline, 12 Dec. 2025 Obsessively talking with a bot about fantasy football could lead to delusions, just the same as could talking with a bot about impossible schematics for a time machine. Matteo Wong, The Atlantic, 4 Dec. 2025 But there's no magic time machine, right? Senior Editor, MSNBC Newsweek, 26 Nov. 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 20 Dec. 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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