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

Nevertheless, watching a sports car flip upside down and land on cold-gas jets was proof enough that flying cars are moving out of science fiction and onto the runway. — Mrigakshi Dixit, Interesting Engineering, 16 Oct. 2026

Inspired by Blade Runner (1982)—renowned as one of the greatest science fiction films ever made—Digger marks one of the worst openings of the American actor’s career. — Lou Gomis, Vanity Fair, 14 Oct. 2026

One of science fiction’s oldest themes is its insistence that the future isn’t inevitable. — Sam MacDonald, Scientific American, 12 Oct. 2026

Under Marc Jacobs, the artist blended his particular mix of traditional Japanese art, science fiction, anime, and whimsical kawaii characters with Louis Vuitton’s storied heritage. — Robb Report, 9 Oct. 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