science fiction

noun

: fiction dealing principally with the impact of actual or imagined science on society or individuals or having a scientific factor as an essential orienting component
science-fictional adjective

Examples of science fiction in a Sentence

Time travel exists only in the realm of science fiction.
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 book is not science fiction, but a real possibility of the outcome of the global warming and our indifference towards scientific facts. Naman Ramachandran, Variety, 15 May 2026 These machines do not look much like the flying cars of science fiction. Bernard Marr, Forbes.com, 15 May 2026 These include professional associations, scientific museums, funding agencies, governmental regulatory agencies, as well as science popularizers and science fiction writers. Prodromos Yannas, Encyclopedia Britannica, 14 May 2026 Hope Ten years after launching his cult horror hit The Wailing in Cannes, Na Hong-jin returns with this large-scale science fiction thriller, reportedly the most expensive Korean film ever made. David Rooney, HollywoodReporter, 12 May 2026 See All Example Sentences for science fiction

Word History

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of science fiction was in 1898

Browse Nearby Words

Cite this Entry

“Science fiction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/science%20fiction. Accessed 20 May. 2026.

Kids Definition

science fiction

noun
: fiction that deals with the influence of real or imagined science on society or individuals
science-fictional
ˈsī-ən(t)s-ˈfik-shnəl
-shən-ᵊl
adjective

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