Added 9 October 2026 spillage /ˈspɪl.ɪd͡ʒ/ noun Categories: Describing WordsActionsRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about spillage at Wordnik → Where our words come from → The amount that has spilled. The act of allowing a fluid to escape. Related Words: spillreleasespiltspillingspilloveroutflowoverflowsheddingleakageflowleakseepage Back to today's word