Definition of "lightspeed" []

• The speed of light. (noun)
• A rate of speed. (noun)

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• "Armstrong's TTX displays a 'lightspeed' look by Kenny Scharf."
• "I even managed to find the willpower to submit a short story to Lightspeed Magazine (which was rejected about an hour ago; talk about lightspeed)."
• "Today, it pitched a fit at me and drew a line in the sand structurally, telling me (in essence) that I can't make it skip ahead in the narrative to kill some time for sub-lightspeed-travel, thank you very much, and I can just suck it up and write that part of the book."