Hard science fiction is a category of science fiction characterized by an emphasis on scientific or technical detail, or scientific accuracy, or both. Typically, this is in the form of very grounded fiction without supernatural, magical, or usually aliens with an emphasis on realistic storytelling within our current knowledge of physics.
Andy Weir's the Martian and Adrian Tchaicovsky's Children of Time are great hard science fiction novels.
by Anonymous1408 December 4, 2021
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When something is super hard, or too hard.
"That math test was beef hard"
by beefhard May 20, 2019
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when some on is on the internet talking junk only because they are not face to face with you, miles and miles away!
"Oh I'm a ni99er! O..OK you are really net hard on Halo right now"

"Why these people on Facebook so net hard, I bet they wouldn't say that to my face!"
by mrsvee November 16, 2011
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Describing a rock’s density.
Guy 1 “Yo I’m feeling Rock hard!”

Guy 2 “You mean hard rock?”

Guy 1 “what?”

Guy 2 “the adjective comes before the noun.”

Guy 1 “oh.”

Guy 2 “fucking dumbass.”
by Thenumbawhunnigga October 17, 2023
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a band created by danman in 2022
the band rock hard is a ok band
by Danmahn December 1, 2022
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