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

ˈsī-ən(t)s-ˈfik-sh(ə-)nəl 

adjective

Examples of science fiction in a Sentence

Time travel exists only in the realm of science fiction.

Recent Examples on the Web

Children today are growing up around AI, robots and devices that once belonged to science fiction, and Yoshida concedes that reality has, in some ways, caught up with Doraemon’s gadgets. — Naman Ramachandran, Variety, 1 Oct. 2026

Richardson discusses how his early fascination with science and his enjoyment of science fiction has influenced his poetry and considers the way his aphorisms counterbalance his more lyric poems. — Fiction Non Fiction, Literary Hub, 1 Oct. 2026

Future Housewives blends science fiction — territory Braga knows well, having worked on several Star Trek series and movies, The Orville and ABC’s Flashforward, among others — and the reality TV world that made Madix a household name. — Rick Porter, HollywoodReporter, 30 Sep. 2026

There was a time when science fiction made a bet on humanity. — Arkansas Online, 28 Sep. 2026

Word History

First Known Use

1898, in the meaning defined above

Rhymes for science fiction

• antifriction
• benediction
• contradiction
• crucifixion
• dereliction
• interdiction
• jurisdiction
• malediction
• addiction
• affliction
• constriction
• conviction

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