noun, slang ·Uncommon ·College level

Definitions

Noun

1. 1
   The overall genre containing science fiction and fantasy; speculative fiction. dated, slang, uncountable

Synonyms

All synonyms

scientifantasy

Etymology

Either abbreviation of scientifantasy, or blend of stf (“scientifiction”) + fantasy.

Related phrases

science fictionspeculative fiction

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.