Submitted by György Chityil ... on Sat, 01/20/2018 - 01:15 Hierarchy: AdjectiveDescription: {{rare|neologism}} Invincible; which cannot be brought down or overcome.Ngram: undownableAntonym: downableNgram Text: undownableSource: WiktionaryIssue: 0Wiktionary tag: rareneologismNgram Count: 1