Submitted by György Chityil ... on Fri, 01/19/2018 - 20:53 Hierarchy: AdjectiveDescription: {{alternative spelling of|bulletproof}} (Capable of withstanding a direct shot, reliable, or unbreakable).Ngram: bullet-proofNgram Text: bullet-proofSource: WiktionaryIssue: 0Wiktionary tag: alternative spelling ofbulletproofNgram Count: 1