Submitted by György Chityil ... on Fri, 01/19/2018 - 18:14 Hierarchy: AdjectiveDescription: {{proscribed}} Occurring every two years; biennial.Ngram: biannualNgram Text: biannualSource: WiktionaryIssue: 0Wiktionary tag: proscribedNgram Count: 1Wikokit WikiText ID: 326087