page_title: Soft science fiction
section_title: Definition
hierarchical_section_title: Soft science fiction / Definition
caption_attribution_description: English: Peter Nicholls discussing The Encyclopedia of Science Fiction at Loncon, Worldcon 2014.
context_page_description: Soft science fiction, or soft SF, is a category of science fiction with two different definitions.
  It explores the "soft" sciences, and especially the social sciences, rather than engineering or the "hard" sciences.
  It is not scientifically accurate or plausible; the opposite of hard science fiction.
  Soft science fiction of either type is often more concerned with character and speculative societies, rather than speculative science or engineering. The term first appeared in the late 1970s and is attributed to Australian literary scholar Peter Nicholls.
context_section_description: In The Encyclopedia of Science Fiction, Peter Nicholls writes that "soft SF" is a "not very precise item of SF terminology" and that the contrast between hard and soft is "sometimes illogical." In fact, the boundaries between "hard" and "soft" are neither definite nor universally agreed-upon, so there is no single standard of scientific "hardness" or "softness." Some readers might consider any deviation from the possible or probable (for example, including faster-than-light travel or paranormal powers) to be a mark of "softness." Others might see an emphasis on character or the social implications of technological change (however possible or probable) as a departure from the science-engineering-technology issues that in their view ought to be the focus of hard SF. Given this lack of objective and well-defined standards, "soft science fiction" does not indicate a genre or subgenre of SF but a tendency or quality—one pole of an axis that has "hard science fiction" at the other pole.
  In Brave New Words, subtitled The Oxford Dictionary of Science Fiction, soft science fiction is given two definitions.  The first definition is fiction that is primarily focused on advancements in, or extrapolations of, the soft sciences; that is social sciences and not natural sciences.  The second definition is science fiction in which science is not important to the story.
caption: Peter Nicholls, the first person attested to have used the term soft science fiction.
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