Added 9 October 2026 supercomputer noun Categories: ThingsRare Words noun ! Definition from WordNet 3.1, Princeton University. More about supercomputer at Wordnik → Where our words come from → A mainframe computer that is one of the most powerful available at a given time. Related Words: computersupercomputinghypercomputersuperminicomputersupercomputationsupercompilerminisupercomputercomputatormacrocomputer Back to today's word