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

Dune is Legendary’s expansive, multi-format sci-fi universe based on Frank Herbert’s Hugo Award-winning novel series. — Antonia Blyth, Deadline, 8 July 2026

Although Dinner ultimately fell in love with the dense sci-fi world adapted from Hugh Howey’s novels, the initial draw was simply the opportunity to work with Yost again. — Jim Hemphill, IndieWire, 3 July 2026

And finally, the popular sci-fi epic is settling in for what's hopefully a long stay on Prime Video that started on July 3, just in time for the long Independence Day weekend in the United States. — Jeff Spry, Space.com, 7 July 2026

Working with Studio Massket, the Japanese animation studio known for its work on Attack on Titan and Lycoris Recoil, Shapefarm mimics retro sci-fi anime. — Zackery Cuevas, PC Magazine, 7 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