sci-fi

adjective

ˈsī-ˈfī 

: of, relating to, or being science fiction

a sci-fi film

sci-fi noun

Examples of sci-fi in a Sentence

Recent Examples on the Web

The stars of the sci-fi saga all appear in a new video (below) released on Wednesday to celebrate the 10-year anniversary of Stranger Things launching. — Jackie Strause, HollywoodReporter, 15 July 2026

Back in 2014, Channel 4 put out Utopia, a sci-fi conspiracy thriller with a comedic bent to it. — William Worrall, Space.com, 15 July 2026

And Jason Momoa, who recently starred in the game-to-movie blockbuster A Minecraft Movie, appeared to be the best guy to put behind the sci-fi series’ big, bug-squashing hand cannons. — Matt Cabral, Entertainment Weekly, 15 July 2026

Satellites, the space race, men on the Moon, and all the sci-fi and commercial kitsch that went with it was part of growing up in the sixties. — Literary Hub, 15 July 2026

Word History

Etymology

shortened from science fiction

First Known Use

1953, in the meaning defined above

Rhymes for sci-fi

• apply
• awry
• belie
• bely
• bigeye
• bonsai
• buckeye
• comply
• coxae
• decry
• defy
• deny

Kids Definition

sci-fi

noun

ˈsī-ˈfī

: science fiction

sci-fi adjective