Added 9 October 2026 launching noun Categories: ActionsUncommon Words noun ! Definition from WordNet 3.1, Princeton University. More about launching at Wordnik → Where our words come from → The act of moving a newly built vessel into the water for the first time. The act of beginning something new. they looked forward to the debut of their new product line The act of propelling with force. Related Words: unveilingentrydebutintroductionlauncherjump-startlandingembarkingliftoffrocketgunfire Back to today's word